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21Latest Convex lens Tenders List

Latest Convex lens Tenders in India – Verified Leads & Real-Time Insights by Tender18

Finding the right Convex lens tenders in India’s competitive e-procurement ecosystem requires more than just access—it demands accurate data, real-time monitoring, and expert analysis.

At Tender18 Infotech Private Limited, we bring deep industry experience in government procurement to help businesses identify, evaluate, and win Convex lens tenders efficiently. With a centralized platform aggregating 1100+ live tenders, we provide a single, trusted source for opportunities from central, state, and PSU departments.


Real-Time Convex lens Tender Intelligence & Monitoring

Our advanced dashboard delivers actionable insights and structured tender data, enabling you to make faster and smarter bidding decisions.

We categorize Convex lens tenders into:

  • Supply Tenders – BOQs and specifications sourced from GeM and PSUs
  • Service Tenders – NITs and scope of work from CPPP and state portals
  • EPC Projects – Large-scale infrastructure tenders with financial and design data

✔ This structured approach ensures complete transparency and deeper bid analysis before submission.


Comprehensive Sources of Convex lens Tenders

Tender18 acts as a centralized gateway by aggregating tenders from trusted and official sources:

  • Central Government Portals – CPPP, NIC, and Government e-Marketplace (GeM)
  • Railways & Transport – IREPS and Metro Rail projects
  • Power & Energy PSUs – NTPC, ONGC, NHPC, PowerGrid
  • Defense & Strategic Sectors – MES and DRDO tenders
  • State e-Procurement Portals – Gujarat, Maharashtra, Tamil Nadu, UP, and more

✔ Every listing is verified and regularly updated to maintain data accuracy and trust.


Step-by-Step Guide to Participate in Convex lens Tenders

1. Eligibility & Prequalification

Before bidding, ensure compliance with:

  • Financial turnover requirements (30–50% of tender value)
  • Past experience (2–3 similar projects)
  • Valid solvency certificate

2. Mandatory Documentation Checklist

Prepare the following to avoid disqualification:

  • Digital Signature Certificate (Class 3 DSC)
  • GST, PAN, MSME/Udyam registration
  • EMD (Earnest Money Deposit) or exemption proof
  • Technical bid with execution methodology

3. BOQ Analysis & Financial Bidding

The BOQ (Bill of Quantities) is the most critical component:

  • Analyze item-wise pricing
  • Ensure competitive yet sustainable quotes
  • Avoid underbidding risks (L1 pressure)

✔ Expert analysis can significantly improve your bid success ratio.


Why Tender18 is a Trusted Platform for Convex lens Tenders

✔ Proven Expertise in Government Procurement

We combine industry knowledge with practical bidding experience.

✔ Verified & Reliable Data

All Convex lens tenders are sourced from official portals and cross-checked for accuracy.

✔ Advanced Filtering Tools

Filter tenders by value, EMD, location, and category for precise targeting.

✔ Corrigendum & Update Tracking

Get instant alerts on deadline changes and specification updates.

✔ Historical Data Insights

Analyze past tender results to understand pricing trends and competition.

✔ End-to-End Bidding Support

From discovery to submission, including GeM onboarding and strategy.


Growth of Convex lens Sector in 2026

With the Government of India focusing on digital procurement and infrastructure expansion, the Convex lens sector has seen significant growth in e-tendering opportunities.

The rise of GeM-based procurement models like:

  • L1 Purchase
  • Direct Procurement
  • MSME-friendly policies

…has made it easier for startups and SMEs to participate and win contracts


Frequently Asked Questions (SEO Optimized)

How can I get daily Convex lens tender alerts?

You can register on Tender18 and select your preferred category. You will receive daily email alerts with all new Convex lens tenders.

Is EMD mandatory for all Convex lens tenders?

No, MSME and Udyam-registered businesses may get exemptions. Always check the NIT for specific conditions.

What is the difference between a Convex lens work tender and supply tender?

A supply tender involves delivering goods, while a work tender includes execution, labor, and project completion.

Can I access private Convex lens tenders on Tender18?

Yes, we also track major private sector and EPC tenders along with government opportunities.


Get Expert Support for Convex lens Tenders

Tender18 is more than a listing platform—we are your strategic partner in winning tenders.

Our services include:

  • Tender discovery & analysis
  • Documentation support
  • Bid strategy & submission
  • GeM registration & OEM onboarding

📞 Call / WhatsApp: +91 7069661818
🌐 Website: www.tender18.com

Due Date
T18 Ref No : 17070438
Location : silvassa , dadra and nagar haveli
Source : GEM Tenders
NEW TENDER
corrigendum tender for surgical - 40x42cm , opsite medium 15x28cm , opsite small 10x14cm , vpointp shunt ceredrain medium pressure bacterial resistant tubing , vpointp shunt ceredrain low pressure bacterial resistant tubing , stryker shaver blade 4 mm , liga clipe sizepoint 100 , liga clipe sizepoint 200 , liga clipe sizepoint 300 , liga clipe sizepoint 400 , ioban drape , nerve locator needle stimuplex 22 x 2, 0point70 x 50 mm 5 cm , nerve locator needle stimuplex 22 x 2, 0point70 x 100 mm 10 cm , umbilical catheter size 3point5fr polyurethen pur , umbilical catheter size 4point0fr polyurethen pur , umbilical catheter size 5point0fr polyurethen pur , premicath 28g , premicath 26g , bone marrow needle quincke needle for lumbar puncture 25g l 150mm , bone marrow needle quincke needle for lumbar puncture 22g l 150mm by 120 mm , tegaderm ipointvpoint pediatric , endotrachel with side port for surfactant administration to newborn size 2point0 , endotrachel with side port for surfactant administration to newborn size 2point5 , endotrachel with side port for surfactant administration to newborn size 3point0 , endotrachel with side port for surfactant administration to newborn size 3point5 , trochar cannula for peritoneal dialysis , closed suction catheter 72 grs for epointt suction of vaitilated baby size 4 fr , micro cuffed epointt tube size 3point0 , micro cuffed epointt tube size 3point5 , micro cuffed epointt tube size 4point0 , micro cuffed epointt tube size 4point5 , ipointvpoint set infusion set for tpn light protected , neonatal heat loss prevention suit , exchange transfusion tray , double luman umbilical catheter , splitting needle size 20g , splitting needle size 24g , nutriline size 20g , nutriline size 24g , trocar drain for pleural in new born size 8 , trocar drain for pleural in new born size 10 , extension tube coiled with anti piphon valve , mepilex ag 20 x 50 cm dressing 20x50 cm , mepilex ag safetac dressing 20x20 cm , mepilex border post op 6 x 8 cm dressing 6x8 cm , mepilex border post op 10 x 20 cm dressing 10x20 cm , mepilex border post op 10 x 30 cmdressing 10x30 cm , mepilex border post op 10 x 35 cm dressing 10x35 cm , mepilex border flex 15x20 cmdressing 15x21 cm , mepilex border sacrum 22 x 25 cm dressing 22x25 cm , mepilex border heel 22 x 23 cm dressing 22x23 cm , mepilex border sacrum ag 23 x 23 cm sacral dressing 23x23 cm , modermaflex mfx 1 pc drainable pouch 15 65x75mm , modermaflex mfx 1 pc drainable convex pouch 15 15mm , confirm 2 55mm fleaxwear skin barrier , confirm 2 70mm fleaxwear skin barrier border 70 mm , confirm 2 55mm lock drainable pouches , confirm 2 70mm lock drainable pouches lock n roll with filter 70 mm , ostomy paste adapt paste , ostomy powder adapt powder , deo bottle 236 mladapt deodorant bottle , remover spray adapt adhesive remover spray , gel of col1a1 gene with aminoglycoside class antibiotic 0point1per 20 gm , non greasy odourlessglycine x y 0 point 002 per 20 gm , organic highly refined scrleroprotein nano sized 2point5 ml , mixture of col1a1 gene w , advanced formulation of cyclopentasiloxane 20per , high graded medical silicone sheet 2mm , mixture of an anionic water soluble derivative of cellulose , reconstruct oxidized carbohydrate , single coated non woven 10mils medical attaching sheet , single coated non woven 10mils medical attaching sheet mils with 800gm , pouch of 20point28floz with , high graded medical silicone sheet 2mm thickness , pouch of 20point28floz with a filter fine , bemipu temperature monitoring watch, absorbable gelatin spounge u s p size 70 x 50 x 10mm 1 pic gynace pack, chest electrodes for tmt machine, disposable syringe 10ml with 22g needle, disposable syringe 20ml with 22g needle, disposable syringe 5ml with 22g needle, dynaplast 10cmxstretched l4 or 6m, ear bud swabs 200 tips per pack both side swab, endotracheal tube with cuffed 4point5, epidural kit nopoint16 with needle, epidural kit nopoint18 with needle, folleys ballon catheter nopoint18 with three way connection, folleys ballon catheter nopoint20 with 3 way, folleys ballon catheter nopoint22 with three way connection, folleys balloon catheter no 24 with 3 way, silicon folleys balloon catheter size 18 sterilized, silicon folleys balloon catheter size 20 sterilized, leader flex nopoint2fn double lumen, leader flex nopoint3fn double lumen, leader flex nopoint4fn double lumen, lint cloth 500gm, male incontinence device condom catheter large size 40mm, male incontinence device condom catheter medium size 30mm, plastic apron big size thick gray colourreusable, pop bandage 10 cm x 2point7 mtr, pop bandage 15 cm x 2point7 mtr, pop bandage 7point5cm x 2point7mtr, spinal needle sterilized size 25g x 89mm, suction catheter sterile nopoint06, suction catheter sterile nopoint08, tracheosotomy tube size 7point0 with out cuff plain, tracheosotomy tube size 6point0 with out cuff plain, tracheosotomy tube size 4point0 with out cuff plain, tracheosotomy tube size 3point0 with out cuff plain, tracheosotomy tube size 4point0 with cuff, tracheosotomy tube size 4point5 with cuff, tracheosotomy tube size 5point0 with cuff, tracheosotomy tube size 6point0 with cuff, tracheosotomy tube size 6point5 with cuff, urine bag sterilize disposable with hourly measurement, y extention tube dual check valve 2068kpa 300 psi 150cm, opsite big 40x42cm, opsite medium 15x28cm, opsite small 10x14cm, vpointp shunt ceredrain medium pressure bacterial resistant tubing, vpointp shunt ceredrain low pressure bacterial resistant tubing, stryker shaver blade 4 mm, liga clipe sizepoint 100, liga clipe sizepoint 200, liga clipe sizepoint 300, liga clipe sizepoint 400, ioban drape, nerve locator needle stimuplex 22 x 2, 0point70 x 50 mm 5 cm, nerve locator needle stimuplex 22 x 2, 0point70 x 100 mm 10 cm, umbilical catheter size 3point5fr polyurethen pur, umbilical catheter size 4point0fr polyurethen pur, umbilical catheter size 5point0fr polyurethen pur, premicath 28g, premicath 26g, bone marrow needle quincke needle for lumbar puncture 25g l 150mm, bone marrow needle quincke needle for lumbar puncture 22g l 150mm by 120 mm, tegaderm ipointvpoint pediatric, endotrachel with side port for surfactant administration to newborn size 2point0, endotrachel with side port for surfactant administration to newborn size 2point5, endotrachel with side port for surfactant administration to newborn size 3point0, endotrachel with side port for surfactant administration to newborn size 3point5, trochar cannula for peritoneal dialysis, closed suction catheter 72 grs for epointt suction of vaitilated baby size 4 fr, micro cuffed epointt tube size 3point0, micro cuffed epointt tube size 3point5, micro cuffed epointt tube size 4point0, micro cuffed epointt tube size 4point5, ipointvpoint set infusion set for tpn light protected, neonatal heat loss prevention suit, exchange transfusion tray, double luman umbilical catheter, splitting needle size 20g, splitting needle size 24g, nutriline size 20g, nutriline size 24g, trocar drain for pleural in new born size 8, trocar drain for pleural in new born size 10, extension tube coiled with anti piphon valve, mepilex ag 20 x 50 cm dressing 20x50 cm, mepilex ag safetac dressing 20x20 cm, mepilex border post op 6 x 8 cm dressing 6x8 cm, mepilex border post op 10 x 20 cm dressing 10x20 cm, mepilex border post op 10 x 30 cmdressing 10x30 cm, mepilex border post op 10 x 35 cm dressing 10x35 cm, mepilex border flex 15x20 cmdressing 15x21 cm, mepilex border sacrum 22 x 25 cm dressing 22x25 cm, mepilex border heel 22 x 23 cm dressing 22x23 cm, mepilex border sacrum ag 23 x 23 cm sacral dressing 23x23 cm, modermaflex mfx 1 pc drainable pouch 15 65x75mm, modermaflex mfx 1 pc drainable convex pouch 15 15mm, confirm 2 55mm fleaxwear skin barrier, confirm 2 70mm fleaxwear skin barrier border 70 mm, confirm 2 55mm lock drainable pouches, confirm 2 70mm lock drainable pouches lock n roll with filter 70 mm, ostomy paste adapt paste, ostomy powder adapt powder, deo bottle 236 mladapt deodorant bottle, remover spray adapt adhesive remover spray, gel of col1a1 gene with aminoglycoside class antibiotic 0point1per 20 gm, non greasy odourlessglycine x y 0 point 002 per 20 gm, organic highly refined scrleroprotein nano sized 2point5 ml, mixture of col1a1 gene w, advanced formulation of cyclopentasiloxane 20per, high graded medical silicone sheet 2mm, mixture of an anionic water soluble derivative of cellulose, reconstruct oxidized carbohydrate, single coated non woven 10mils medical attaching sheet, single coated non woven 10mils medical attaching sheet mils with 800gm, pouch of 20point28floz with, high graded medical silicone sheet 2mm thickness, pouch of 20point28floz with a filter fine, bemipu temperature monitoring watch, cornisol corneal storage media solution 20ml, enlarger blade 5mm, fibrinogen 70 mg, thrombin 500 iu per1 ml aprotinin 3000 kiu, hydrophobic aspheric foldable lens, intraoccular lens 5 mm, intraoccular lens 6 mm, iso amyl 2 cyano acrylate bio adhesive 0point25 per ml, keratome 2point8mm slit blade, posterier iris clawo lens, side port 15 degree lanctip blade, ptosis sling silicon 75 x 25 mm, amniotic membrane, triplony forceps for urs, triplony forceps for pcnl, paraffin wax 1 kg, rotahaler device
Agency / Dept :
department of health and family welfare DOHAFW
Due Date :
Sep 05, 2026 (2 days left)
Tender Value :
Refer Document
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T18 Ref No : 16765449
Location : indore , madhya pradesh
Source : GEM Tenders
LIVE TENDER
tender for plano-convex lens ar/ar coated , 45 degree angle of incidence laser mirrors , positive meniscus lens
Agency / Dept :
directorate of purchase and stores DPS
Due Date :
Sep 16, 2026 (13 days left)
Tender Value :
Refer Document
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T18 Ref No : 16811944
Location : ganderbal , jammu & kashmir
Source : GEM Tenders
LIVE TENDER
tender for basic electronics discovery kit , creative construction and storytelling building blocks kit , reactive electronics exploration kit , mechanical engineering construction and exploration kit , programmable motor and servo control coding kit with io expansion , integrated scientific coding data acquisition and iot learning platform , screenless coding and robotics construction kit , advanced robotics and embedded systems controller platform , ai humanoid robot , ai accessory module vision audio and detection add on , power bank 5000 mah with usb c type cables , training table 4 seater , student chairs , instructor table , instructor chair , high performance laptop , interactive flat panel display 65 inch , storage , wall branding posters and stickers , implementation installation configuration and initial training , pass through enabled mixed reality headset , vr mr learning software license with multiplayer collaborative learning capability , interactive flat panel display 65inch , storage case , heavy duty wireless router , collaborative xr training table 4 seater , student chair for xr laboratory , instructor table xr laboratory , instructor chair xr laboratory , installation accessories and cable management , interior mural 3d art complete covering approximate area 3000 sq. feet for 2 schools , phases of moon manual , newton s colour disc , day and night manual , solar and lunar eclipse manual , ray optic kit , solar energy kit , anti gravity , weight on other planets , vernier calliper , screw gauge , newton 1st law , newton 2nd law , newton 3rd law , maxwell wheel , primary colours of light , brachistochrone curve , tuning fork , 6 inch dobsonian telescope , solar filter , star laser pointer pen with 2 batteries , magnifying glass , concave lens , convex lens , concave mirror , convex mirror , prism , handy planisphere , virtual reality box , litmus paper red , litmus paper blue , ph paper 100 strips , atomic balls , test tube , test tube stand , evaporation experiment 1 retort stand 1 spirit burner 1 china dish 1 wire gauge double 1 tripod stand , filtration experiment 1 retort stand 1 retort ring 1 funnel 1 beaker 500ml 1 filter paper 100 pieces , model of heart , model of ear , model of eye , model of kidney , model of brain , human torso magnetic , skeleton , microscope , microscope plain slides , microscope prepared slides , animal cell , plant cell , magnetic set , zodiac constellation 3x3 feet , planisphere 3x3 feet , we are made of stars 5x2 feet , space fun facts poster , chart of physics , chart of geography , model of rocks , model of minerals , model of metals , augmented reality ar board , digestive system chart , separation chart of substances chemistry , dissection box , chemistry kit tongs test tube holder and test tube brush , biology kit glycerine safranine cover slips blotting paper , spirit lamp solution , indian astronaut biopic posters , extra items 3 1st law strip 3 curve balls 3 bulbs for ray optic , tds meter , interactive flat panel display, establishment of cosmic smart class rooms, as per annexure abcd
Agency / Dept :
department of school education
Due Date :
Sep 09, 2026 (6 days left)
Tender Value :
Refer Document
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T18 Ref No : 16835935
Location : gwalior , madhya pradesh
Source : GEM Tenders
LIVE TENDER
tender for laser 532nm linewidth 0.2nm , notch filter , mounted cube beam splitter , mounted bi convex lens , mounted flat mirror , mounting assembly, optical assembly for raman detector setup, laser 532nm linewidth 0.2nm, notch filter, mounted cube beam splitter, mounted bi convex lens, mounted flat mirror, mounting assembly
Agency / Dept :
defence research and development organisation DRDO
Due Date :
Sep 07, 2026 (4 days left)
Tender Value :
Refer Document
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T18 Ref No : 17018238
Location : thakuedwara , uttar pradesh
Source : GEM Tenders
LIVE TENDER
tender for mortar and pestle , volumetric flask , silica crucible with cover , distilled water , spirit blue solution , gloves , dettol handwash , scientist chart related to chemistry , cotton roll , hollow glass rod , copper sulphate , acetone , ammonium chloride , funnel , microscopic glass slide , dropping staining bottle 100 ml , beaker 250 ml , apron lab coat , test tube , ethanol , liquid dishwash , handwash , spirit for lamp , constantant wire , magnin wire , insulation tape , paper pin , rubber bands , adhesive tape , adhesive , chart paper , candle , iron filling , resistance wire , magnifying glass , copper wire dc , hollow prism , concave lens , convex lens , concave mirror , convex mirror , prism , thermometers lab , gylcerine , cottton thread , sand paper , graph paper , diodes kit, flask, good quality, borosil, acrylic chart, qualigen merck, good quality glass, borosilicate, 200 ml, 500gm, black (electric), pack, pack (100gm), rolls, fevicol(500gm), assorted colors, 100gm, 5x, glass, f minas5cm, f 15cm, f mainas 15cm, fminas 15cm, 50mm x 50 mm, minus 10 to 110 degre, 500ml, 100m roll, fine grade, a-4 size, assorted values
Agency / Dept :
navodaya vidyalaya samiti NVS
Due Date :
Sep 19, 2026 (16 days left)
Tender Value :
Refer Document
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T18 Ref No : 17053630
Location : dudhi , uttar pradesh
Source : GEM Tenders
LIVE TENDER
tender for spare1 , spare2 , spare3 , spare4 , spare5 , spare6 , spare7 , spare8 , spare9 , spare10 , spare11 , spare12, ht scan convex lens barrel assembly for flame scanner. part no.- ht-b-984-0318, flame detector head for coal/oil. flame scanner head control card. part no.- ht-sc-he-577b, ht scan flame processor module. part no.- ht-s20-fp, plug for flame scanner. item no. 3001. part no.- ht-sc-c5-mf, quartz glasses for flame scanner lens. part no.- ht-a-987-029, 125 ma little pico fuse, part no.- ht-sc-f63, flexible cable for flame scanner head with five pin end connectors (male & female both)/ flame scanner cable. part no.- ht-sc-c5-3m, 2/4 voting flame module for flame scanner, part no.- ht-s20-2b4, heavy duty ignitor transformer with jb. primary- 230v ac, sec- 11kv, 1 phase, rating- 250 v. part no.- ht-hea-sc-12j, hea ignitor flexible spark rod assembly. length- 108 inch + 1 inch without spark tip. od- 16mm + 0.2mm. part no.- ht-fsr-1016, hea ignitor flexible cable assembly. length- 12 feet (or as per site requirement). construction- nickel braid shielded conduit with pvc coating, od- 16mm + - 0.2mm. part no.- ht-fca-1012, complete flame scanner assembly (including flexible metal hose, optical head and guide pipe). part no.- ht-d-982-0141
Agency / Dept :
uttar pradesh rajya vidyut utpadan nigam limited UPRVUNL
Due Date :
Sep 03, 2026 (Expire Today)
Tender Value :
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T18 Ref No : 16935150
Location : sri ganganagar , rajasthan
Source : GEM Tenders
LIVE TENDER
tender for rubber strip of material pu size 500mm length, 15mm height and 102.4mm width , hdpe lane divider 1036mm length 42mm and width 150mm , ultra flex post , road delineator , solar road delinator , solar raod stud havind of led of colour red yellow to a side total 06 nos housed in togh pressure die casted aluminium alloy if size 125x125mm or 120x130m , road safety convex, mirror of size 800mm dia made of one piece of polycarbonate lens incl 2.5mtr long vertical pole , 600mm long ual directional delineator made out of ms rectanglular pipe of size 68x25mm with flat face provided with high intensity prismatic reflactor of colour white yellow red of size 100x125mm, demand of maintenance stores road, rubber strip of material pu size 500mm length, 15mm height and 102.4mm width, hdpe lane divider 1036mm length 42mm and width 150mm, ultra flex post, road delineator, solar road delinator, solar raod stud havind of led of colour red yellow to a side total 06 nos housed in togh pressure die casted aluminium alloy if size 125x125mm or 120x130m, road safety convex, mirror of size 800mm dia made of one piece of polycarbonate lens incl 2.5mtr long vertical pole, 600mm long ual directional delineator made out of ms rectanglular pipe of size 68x25mm with flat face provided with high intensity prismatic reflactor of colour white yellow red of size 100x125mm
Agency / Dept :
indian army
Due Date :
Sep 03, 2026 (Expire Today)
Tender Value :
Refer Document
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T18 Ref No : 17051654
Location : indore , madhya pradesh
Source : GEM Tenders
LIVE TENDER
tender for antireflection coated plano-convex lenses of diameter 38.1 mm for high power lasers
Agency / Dept :
directorate of purchase and stores DPS
Due Date :
Sep 03, 2026 (Expire Today)
Tender Value :
Refer Document
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T18 Ref No : 17029419
Location : sasaram , bihar
Source : GEM Tenders
LIVE TENDER
tender for lab equipement asbsusdus pad with frame , beaker glass 250 ml, borosilicate glass , beaker glass 500 ml,borosilicate glass , behieve shelf procillian , beurett 50ml. with teflon stop corck,borosilicate glass , burner with lock , china dish basin 2, 2.5 3 , conical flask glass 250ml borosilicate glass , conical flask glass 500ml borosilicate glass , conical funnel glass 3 borosilicate glass , corck borrer set three metalic borosilicate glass , cork pressure metallic s.s.,8 , dessicator , dropper 6 , filter paper 11cm 1pkt , gas jar 6x2 lid , glass stirrer 4 , test tube hard glass 6x1 glassborosilicate glass , iron ring with bose head , kipp s appratus 1000ml polylab plastic , magnet , measuring cylinder glass 100 ml borosilicate glass , measuring flask 100 ml borosilicate glass , measuring flask glass 250ml volumetric borosilicate glass , motel pestal , ph paper 0.0 to 10.0 best quality , pippete , reagent bottle 250 ml glass borosilicate glass , reagent bottle 500 ml glass borosilicate glass , retort copper best quality , round bottom flask glass 250 ml borosilicate glass , round bottom flask glass 500 ml borosilicate glass , round file best quality , rubber tube best quality , ruber corck no. 2,3,4,5 , spatula stainless steel , spirit lamp s.s. , test tube glass 5x5 8 borosilicate glass , test tube brush , test tube holder , test tube stand fibre , thermometer f c best quality , thisstle funnel 8 long glass borosilicate glass , thraugh best quality , tongue with crushible stainless steel , traingular file best quality , tripaod stand 6x6 best quality , wash bottle polythene 500 ml polylab make , watter bath copper 4 , wire gauge 6x6 , woolf bottle glass 250 ml , hot plate round , photoelectric calorimeter digital , digital electronic balance , ph meter table type , serological water bath , universal ovens , magnetic stirrer with hot plate to conduct chemical , digital conductivity meter , water distillation unit , tds digital meter table model , heating mantle electrically operated , vdrl shaker , automatic pippete , ac to dc eleminator 1.5 volt to 12 volt , ammetere with stand different ranges , bar magnet horse shoe magnet , bar magnetometre with campass , calorimetre with stirrer , convex concave lenses mirrors 3 , copper voltametre , digital multimeter , drawing board 12x18 , drawing pin , dry cell 1.5 volt , fortain barometre , galvanometre with stand , glass slab 2 , milli ammetre with stand , milli volt metre with stand , optical bench , pendulum bob with hook 3 4 brass , plain mirror with stand , plastic pulley , pn junction diode , prism glass 2 , resonance tube apparatus , rubber tube , sahul brass , screw guage , slide calliper vermier , slotted weight for sonometre , sonometre , spectrometer , spherometer , spiring balance 1000 gms. , spirit lamp metallic , spirit level , stop watch digital , voltmetre with stand , wooden cube wooden sphere cylinder , zener diode charastrictic apparatus , p.o. box , laboratory centrifuge apparatus to separate the fluids, , fly wheel experiment for store energy , mosfed characteristic apparatus electronic cast iron , scr characteristic apparatus electronic , dial type resistance boxes dial type resistance boxes , tangant galvanometer apparatus , energy band gap apparatus , dip circle metallic body with surface level , weight box brass , six position microscope , sodium vapour lamp , transistor characteristic apparatus , rheostate 200mm long , beaker 250 ml glass borosilicate glass , beaker 500 ml glass borosilicate glass , bell jar glass , bunsen burner with stop cork , dissecting box , dissecting tray , filter paper 11cm , forceps 4 , human skeleton , iron stand with clamp and bosse head , litmus paper blue , litmus paper red , measuring cylinder 250ml plastic , measuring cylinder 500ml plastic , morter pestle 4 , museum spceimen general , permanent slide , petri dish 3 glass , ph paper , prepared slide box fibre , reagent bottle wm nm 125 ml , slide plain glass , test tube stand fiber , tripad stand 6x6 best quality , wash bottle polythene 500 ml , watch glass 3 glass borosilicate glass , dissecting microscope two hinged joint arm , binocular microscope, , student microscope , universal incubator , haemometer , haemocytometer , human articulated skeleton , prepared slides cabinet teakwood capacity 1000.slides , magnetic stirrer with hot plate , photoelectric calorimeter , dropper 6 glass , dropping bottle 60 ml glass , magnifying glass with steel handle 2 , needle , staning rack six tube , test tube hard glass borosilicate glass , watch glass glass borosilicate, asbsusdus pad with frame, beaker glass 250 ml, borosilicate glass, beaker glass 500 ml,borosilicate glass, behieve shelf procillian, beurett 50ml. with teflon stop corck,borosilicate glass, burner with lock, china dish basin 2, 2.5 3, conical flask glass 250ml borosilicate glass, conical flask glass 500ml borosilicate glass, conical funnel glass 3 borosilicate glass, corck borrer set three metalic borosilicate glass, cork pressure metallic s.s.,8, dessicator, dropper 6, filter paper 11cm 1pkt, gas jar 6x2 lid, glass stirrer 4, test tube hard glass 6x1 glassborosilicate glass, iron ring with bose head, kipp s appratus 1000ml polylab plastic, magnet, measuring cylinder glass 100 ml borosilicate glass, measuring flask 100 ml borosilicate glass, measuring flask glass 250ml volumetric borosilicate glass, motel pestal, ph paper 0.0 to 10.0 best quality, pippete, reagent bottle 250 ml glass borosilicate glass, reagent bottle 500 ml glass borosilicate glass, retort copper best quality, round bottom flask glass 250 ml borosilicate glass, round bottom flask glass 500 ml borosilicate glass, round file best quality, rubber tube best quality, ruber corck no. 2,3,4,5, spatula stainless steel, spirit lamp s.s., test tube glass 5x5 8 borosilicate glass, test tube brush, test tube holder, test tube stand fibre, thermometer f c best quality, thisstle funnel 8 long glass borosilicate glass, thraugh best quality, tongue with crushible stainless steel, traingular file best quality, tripaod stand 6x6 best quality, wash bottle polythene 500 ml polylab make, watter bath copper 4, wire gauge 6x6, woolf bottle glass 250 ml, hot plate round, photoelectric calorimeter digital, digital electronic balance, ph meter table type, serological water bath, universal ovens, magnetic stirrer with hot plate to conduct chemical, digital conductivity meter, water distillation unit, tds digital meter table model, heating mantle electrically operated, vdrl shaker, automatic pippete, ac to dc eleminator 1.5 volt to 12 volt, ammetere with stand different ranges, bar magnet horse shoe magnet, bar magnetometre with campass, calorimetre with stirrer, convex concave lenses mirrors 3, copper voltametre, digital multimeter, drawing board 12x18, drawing pin, dry cell 1.5 volt, fortain barometre, galvanometre with stand, glass slab 2, milli ammetre with stand, milli volt metre with stand, optical bench, pendulum bob with hook 3 4 brass, plain mirror with stand, plastic pulley, pn junction diode, prism glass 2, resonance tube apparatus, rubber tube, sahul brass, screw guage, slide calliper vermier, slotted weight for sonometre, sonometre, spectrometer, spherometer, spiring balance 1000 gms., spirit lamp metallic, spirit level, stop watch digital, voltmetre with stand, wooden cube wooden sphere cylinder, zener diode charastrictic apparatus, p.o. box, laboratory centrifuge apparatus to separate the fluids,, fly wheel experiment for store energy, mosfed characteristic apparatus electronic cast iron, scr characteristic apparatus electronic, dial type resistance boxes dial type resistance boxes, tangant galvanometer apparatus, energy band gap apparatus, dip circle metallic body with surface level, weight box brass, six position microscope, sodium vapour lamp, transistor characteristic apparatus, rheostate 200mm long, beaker 250 ml glass borosilicate glass, beaker 500 ml glass borosilicate glass, bell jar glass, bunsen burner with stop cork, dissecting box, dissecting tray, filter paper 11cm, forceps 4, human skeleton, iron stand with clamp and bosse head, litmus paper blue, litmus paper red, measuring cylinder 250ml plastic, measuring cylinder 500ml plastic, morter pestle 4, museum spceimen general, permanent slide, petri dish 3 glass, ph paper, prepared slide box fibre, reagent bottle wm nm 125 ml, slide plain glass, test tube stand fiber, tripad stand 6x6 best quality, wash bottle polythene 500 ml, watch glass 3 glass borosilicate glass, dissecting microscope two hinged joint arm, binocular microscope,, student microscope, universal incubator, haemometer, haemocytometer, human articulated skeleton, prepared slides cabinet teakwood capacity 1000.slides, magnetic stirrer with hot plate, photoelectric calorimeter, dropper 6 glass, dropping bottle 60 ml glass, magnifying glass with steel handle 2, needle, staning rack six tube, test tube hard glass borosilicate glass, watch glass glass borosilicate glass, dissecting microscope, electrical ovens
Agency / Dept :
planning and development department
Due Date :
Sep 14, 2026 (11 days left)
Tender Value :
Refer Document
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T18 Ref No : 16579450
Location : bangalore , karnataka
Source : GEM Tenders
tender for optical items bbo non linear crystal , ppktp non linear crystal , tec peltier oven , quarter wave plate , half wave plate , half inch optic rotation mount -fiberbenches , glan thompson polarizers with lens tube mount , tranlation stage , polarizing beam splitter , rotation mount for optics , beam splitter , mirror , optical lens , platform cube mounts , single-axis flexure translation stages , piezo controller and strain gauge reader and power supply , multimode fiber , fiber mating sleeves , kinematic mirror mount , collimators , adapters , adjustable collimators , sm1-threaded adapters , kinematic prism mounts with clamping arms , iris , universal post holder , optical post, optical items, paired bbo type i spdc 405 nm 3 degree mounted, ppktp type 0 spdc 405 nm to 810 nm degenerate 10 mm, tec controller 20 to 60c variance of 0.2c pid pt1000 sensor, achromatic quarter wave plate 1/2 inch 700-1200 nm fiberbench lambda/4, achromatic half wave plate 1/2 inch 700-1200 nm fiberbench lamda/2, optics rotation mount 1/2 inch sm05 360 degree 2 degree graduations, mounted glan thompson polarizer calcite 5 mm 350-700 nm 100000 ratio, crossed roller linear stage 13 mm aluminium 30 40 mm compatible, polarizing beamsplitter cube 5 mm 700 to 1300 nm 1000 ratio, zero order half wave plate 1/2 inch 405 nm sm05 quartz, zero order quarter wave plate 1/2 inch 808 nm mounted quartz, zero order half wave plate 1/2 inch 808 nm mounted quartz, optics rotation mount 1/2 inch, polarizing beamsplitter cube 1/2 inch 620 to 1000 nm n-sf1, non polarizing 50 by 50 beamsplitter 1/2 inch 700 to 1100 nm, non polarizing 50 by 50 beamsplitter cube 5 mm 700 to 1100 nm n-bk7, protected silver mirror 1 inch 450 nm to 20 um 97 percent sio2, plano convex lens 1 inch 100 mm 650-1050 nm n-bk7, plano convex lens 1 inch 50 mm 350-700 nm n-bk7, plano convex lens 1 inch 120 mm 350-700 nm n-bk7, platform mount 1/2 inch optics m4, piezo translation stage 5 mm 300 um 20 um travel 0.6 nm resolution, k cube piezo controller strain gauge 75 v 150 v closed loop, multimode fc/pc fiber 200 um na 0.22 high oh 2 m, fc/apc mating sleeve narrow key slot 0.5 db, kinematic mirror mount 1 inch optics post centered 8-32 m4 threads, uv collimator 350 to 500 nm 405 nm na 0.60 efl 11 mm bbar, adapter 1 inch 11 mm compatible, fc apc fiber collimator 11 mm 780 nm 405 nm na 0.60, adapter 1/2 inch unthreaded smooth bore, adjustable aspheric fc/apc collimator 7.5 mm 350 to 700 nm, sm1 threaded adapter 15 mm 0.18 inch smooth bore, ring actuated iris diaphragm sm1 12 mm aperture, swiveling magnetic base post holder 1/2 inch 20 mm pack 5, swiveling magnetic base post holder 1/2 inch 30 mm pack 5, swiveling magnetic base post holder 1/2 inch 40 mm pack 5, optical post 12.7 mm stainless steel m6 base 30 mm pack 5, optical post 12.7 mm stainless steel m6 base 20 mm pack 5, optical post 12.7 mm stainless steel m6 base 50 mm pack 5, kinematic prism mount m4 80 tpi variance 4 degree tip tilt
Agency / Dept :
centre for development of advanced computing CDAC
Due Date :
Aug 22, 2026
Tender Value :
Refer Document
View Documents

Every year, central and state government departments release thousands of high-value contracts specifically dedicated to Convex Lens. Whether it involves bulk material supply, executing specialized operational services, or end-to-end turnkey project execution, the demand for capable vendors in the Convex Lens sector is massive.

At Tender18, we help businesses cut through the noise and exclusively target the exact work categories they specialize in. Instead of browsing through generic procurement sites, our platform isolates high-potential opportunities that match your specific industry capabilities.

Work Dynamics in the Convex Lens Sector

Government requirements for this specific vertical generally fall into distinct procurement patterns:

  • Product & Material Supply: Tenders focused strictly on sourcing, testing, and delivering high-quality items that meet the exact technical specifications of the buyer.
  • Service Level Agreements (SLAs): Long-term hiring of expert agencies for routine maintenance, manpower deployment, or continuous operational management.
  • Execution & Turnkey Projects: Comprehensive contracts where the bidder is responsible for everything from raw material procurement to final site installation and testing.

By focusing purely on your core strength in Convex Lens, you can build a highly profitable and stable pipeline of government clients.

Stop wasting time filtering through irrelevant notices. Our Convex Lens Tender Information Service is engineered for precision. We track exact product codes, service names, and specialized work terms across all government portals nationwide. When a buyer publishes a requirement that matches your specific business profile, our system alerts you instantly.

Deep Technical Insights & Documentation For Convex Lens Tenders

Bidding for specific works requires studying strict technical parameters. We provide immediate access to the core documents you need to evaluate the project:

  • Detailed Specifications & Drawings: Download the exact engineering guidelines, material testing standards, and quality benchmarks demanded by the buyer for Convex Lens.
  • Financial BOQ Spreadsheets: Access the official blank pricing formats where you need to input your unit rates, tax configurations, and total bid value.
  • Real-Time Technical Amendments: If the buying department changes the product specifications, alters the service scope, or shifts the delivery timeline, we instantly update the parent file so you are never caught off-guard.

Winning a contract for Convex Lens depends entirely on how perfectly your technical capabilities match the buyer’s demands. Even if you have the best product or service, a poorly formatted document or a missing compliance certificate will lead to instant technical rejection. Tender18’s Tender Bidding Service eliminates this risk by taking complete ownership of your digital submission.

Flawless Compliance & Portal Execution For Convex Lens Tenders

Under this service, Tender18 assigns a Dedicated Experienced Technical Person to your profile. This expert handles the heavy lifting of the entire bidding cycle:

  • Capability Mapping: We thoroughly cross-check your past completion certificates, ISO standard proofs, and financial turnover against the strict eligibility criteria required for Convex Lens bids.
  • Secure System Integration: Our technical desk seamlessly links your Class III Digital Signature Certificate (DSC) with the required e-procurement servers to securely encrypt your technical and financial envelopes.
  • Error-Free Financial Uploads: We audit your quoted BOQ pricing sheets for any formula or formatting errors before the final upload, ensuring your bid is successfully locked before the portal's closing hours.

Government buyers are aggressively using the Government e-Marketplace (GeM) for the direct procurement of Convex Lens. If your business profile is not accurately mapped on this portal, you remain practically invisible to these purchasing officers. Recognized as a trusted and expert GeM consultant, Tender18 offers specialized support to build, optimize, and maintain a highly visible vendor account for your business.

With an industry-leading support success ratio of over 95%, we handle the complex marketplace compliance so you can focus entirely on executing your orders

Expert Profile Management & Catalogue

Our dedicated consultants ensure your GeM presence is structurally perfect:

  • Precise Catalogue Listing: We upload and categorize your specific offerings under the exact search terms and parameters used by government buyers looking for Convex Lens, ensuring maximum search visibility.
  • OEM Dashboard & Assessment: For original manufacturers and creators, we guide you through the mandatory Quality Council of India (QCI) vendor assessments to successfully unlock your official OEM panel.
  • Profile Compliance & Caution Money: We manage your statutory documentation, brand approvals, and caution money limits to keep your account immune from technical suspensions.

Strategic Live Bid Participation

Beyond setup, we actively drive your market participation. Our team expertly handles the digital paperwork and rate configurations for GeM Custom Bids and Reverse Auctions (RA) related to Convex Lens, maximizing your chances of securing L1 status.

1.

How do I find government contracts exclusively matching my work in Convex Lens?

The easiest way is through the Tender18 platform. Instead of searching department by department, our system uses advanced keyword matching to gather all live supply, service, and execution tenders related directly to your core business in one place.

2.

Do I need specific testing or quality certificates to apply for these contracts?

It heavily depends on the nature of the work. For supply contracts, buyers often ask for ISO certifications, BIS marks, or specific lab testing reports. For service contracts, they may ask for labor licenses or past performance certificates (work orders).

3.

What is a BOQ and why is it important for my bid?

The Bill of Quantities (BOQ) is the official financial Excel sheet where you enter your competitive prices. Any mistake in this file—like adding extra rows, changing formulas, or saving it in the wrong format—will cause the portal server to reject your entire bid.

4.

Are samples required to be submitted physically before the digital bid opens?

For many product-based Convex Lens tenders, buying departments do ask bidders to submit physical samples to their office before the digital technical evaluation date. This requirement is always clearly mentioned in the official NIT document.

5.

How does the Dedicated Tender Expert from Tender18 help me?

Our assigned expert manages your total portal compliance. They extract the hidden rules from long tender PDFs, create a precise document checklist for your team, map your digital signature, and securely upload your technical and financial files onto the government servers.

6.

What is the role of a Digital Signature Certificate (DSC)?

A Class III DSC is a secure USB device that contains your digital identity. You cannot upload a bid without it. It is used to securely encrypt and lock your sensitive price data and technical documents so no one can view them before the official opening date.

7.

As an MSME, can I get financial benefits when bidding for Convex Lens?

Yes, the government strongly supports MSMEs. By uploading a valid Udyam Registration Certificate in the technical envelope, small businesses are frequently exempted from paying the initial Tender Document Fee and the Earnest Money Deposit (EMD).

8.

Why should I list my services or products on GeM for this category?

GeM is now the primary digital marketplace for all government agencies. If you are properly cataloged for Convex Lens, officers can view your profile and generate direct purchase orders or invite you to participate in exclusive Custom Bids.

9.

What makes Tender18 a reliable GeM support partner?

As a highly trusted and expert GeM consultant, Tender18 holds a proven support success ratio of over 95%. From flawless profile creation and complex catalogue mapping to OEM panel approvals and live Reverse Auction (RA) support, we handle it all seamlessly.

10.

What does "L1" mean in these government contracts?

"L1" stands for "Lowest Bidder 1". In government procurement, after all technical envelopes are approved, the financial sheets (BOQs) are opened. The bidder who has quoted the lowest compliant price for Convex Lens is declared L1 and is generally awarded the contract

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