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Government ContractorVerified Bidding Record

Mainak Biswas

Aggregated public procurement dossier compiling official financial evaluations, competitive bidding ranks (L1, L2, L3), and tender awards.

Historical Win Rate5 Wins
35.7%award ratio

5 awarded across 14 participated tenders

Primary Issuing Authorities:Central Public Works Department (CPWD)
Central, CPWD, Bihar and Railway tender records

Total Tenders Bidded

14

Evaluated bids submitted

Official L1 Wins

5

Lowest responsive bidder

Won Contracts Value

₹58.43 L

Cumulative awarded volume

Total Quoted Pipeline

₹1.89 Cr

Aggregated financial quotes

Competitive Position & Rank Distribution

Historical rank distribution across technical evaluations and financial openings

Average Margin vs Estimate: -13.4%
Bidding Outcome Proportion14 Total Evaluated Bids
L135.7%

5

Winning Bid

L221.4%

3

Runner Up

L314.3%

2

3rd Lowest

L4+28.6%

4

Higher Ranks

DQ0.0%

0

Disqualified

Profile Summary & Procurement Overview

Mainak Biswas is a government contractor with 14 participated tenders, 5 L1 contract wins (35.7% win rate), and approximately ₹58.43 L in awarded works.

The firm achieved lowest conforming bid position (L1) across official evaluations. In competitive bidding assessments, the firm has also finished as the secondary bidder (L2) in 3 tenders. Primary issuing authorities include Central Public Works Department (CPWD).

Tender Bidding Archive & Historical Records

Evaluation records and financial bids submitted by Mainak Biswas

L3Opened - Evaluation in progress
01/09/2026
A/R & M/O Non-Residential Office Building at DGCI&S, Kolkata during 2026-27.
CPWDCPWD, Kolkata - CE - KOLKATA - EE-Kolkata-IV•Kolkata
Quoted Bid₹22.93 L
Estimated₹30.85 L
Margin-25.67%
L2Opened - Evaluation in progress
14/08/2026
Providing and laying of Main water supply pipe line from overhead tank near Gate No- 2 to the Old Annex Building, Guest House, New Annex Building Belvedere House, National Library, Alipore, Kolkata.
CPWDCPWD, Kolkata - CE - KOLKATA - EE-Kolkata-IV•Kolkata
Quoted Bid₹24.57 L
Estimated₹36.13 L
Margin-32%
L1Awarded (L1)
13/01/2026
Construction of Type-II 88 nos. Residential Quarters (S plus 11) for BN HQ, Basirhat BSF Campus Rajarhat under south Bengal Frontier. SH: Miscellaneous Building work.Subwork/Packages:Miscellaneous Building work.
CPWDCPWD, Project Region Kolkata - SE-Barasat - EE-Barasat-I•Project Region Kolkata
Quoted Bid₹24.86 L
Estimated₹33.37 L
Margin-25.5%
L1Lowest bidder (L1)
14/05/2024
MOEI & fans i/c RMO Pump sets at EB Block, Salt Lake, Kolkata (SH: Providing UG cable for power supply to common area of building etc.).
CPWDCPWD, Kolkata - CE - KOLKATA - EE(E) Kolkata - AE-E-4•Kolkata
Quoted Bid₹2.14 L
Estimated₹1.98 L
Margin+8.35%
L2Opened - Evaluation in progress
19/12/2023
MOEI and Fans including RMO Pump sets at EB Block Salt Lake Kolkata (SH: Providing LED street post top bulkhead light and exhaust fan in EB Block Salt Lake Kolkata)
CPWDCPWD, Kolkata - CE - KOLKATA - EE(E) Kolkata - AE-E-4•Kolkata
Quoted Bid₹71,556.36
Estimated₹67,506
Margin+6%
Showing 1 to 10 of 14 tender records

Frequently Asked Questions

How many government tenders has Mainak Biswas participated in?

According to public e-procurement data records, Mainak Biswas has participated in 14 government infrastructure and procurement tenders across central and state authorities.

How many tenders has Mainak Biswas won as winning bidder (L1)?

Mainak Biswas has secured 5 tenders as the official lowest bidder (L1) or awardee, achieving an overall win rate of 35.7%.

What is the total value of government contracts awarded to Mainak Biswas?

The cumulative value of project contracts awarded to Mainak Biswas is approximately ₹58.43 L, across agencies such as Central Public Works Department (CPWD).

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