Total bids
10
10 including cancelled tenders
Awarded
7
3 lost · 0 still pending
Awarded value
₹15.2 L
of ₹23.3 L bid — 65.3% conversion
Win rate
70.0%
of 10 decided bids
Bid outcomes
How their decided bids ended, by number and by valueBy count10 bids
70.0%
30.0%
Awarded770.0%
Pending00.0%
Tech rejected00.0%
Lost330.0%
By value₹23.3 L
65.3%
34.7%
Awarded₹15.2 L65.3%
Pending₹00.0%
Tech rejected₹00.0%
Lost₹8.1 L34.7%
Where they win
2 authorities · 0 statesTop buyer organisations
Operating states
LowHigh
7 awards on central/PSU portals carry no state
Top competitors
In tenders they both bid · bar shows how the awards splitRival awardedBLACK DIAMOND awardedOthers
Recent tenders awarded to BLACK DIAMOND
- Repairing of 01 No of drill unit of UDM 03 Nos of twin cooler of 02 nos of LHD 01 No UDM of Eimco Elecon Make UDM and LHD at Bhadra 78 UG Mine of JK AreaSouth Eastern Coalfields Limited · 19 May 2026₹1.9 L
- Repairing of Front Idler of SDL and UDM deposited in Regional Workshop from different units Johilla Area SECL.South Eastern Coalfields Limited · 19 Dec 2025₹2.9 L
- Repairing of 01 Nos. of Cetron Make EXT225 Gear box and 01 Nos of Cetron make EXT250 gear box at Bhadra 7 8 Mine, Bhadra Sub AreaSouth Eastern Coalfields Limited · 18 Nov 2025₹1.8 L
- Repairing of 01 No. Lift arm assembly, 02 No. Bolster assembly and 02 NO. Bucket Assly. LHD 811-952 and 945 at Bhadra 7 8 mine of Bhadra Sub AreaSouth Eastern Coalfields Limited · 6 Nov 2025₹1.7 L
- Repairing of 14 No. Drive Sprocket and 10 Nos Flight Bar and Link Assembly Deposited in Regional Workshop from different units of Johilla Area SECL.South Eastern Coalfields Limited · 4 Nov 2025₹2.7 L
About BLACK DIAMOND ENGINEERING
BLACK DIAMOND ENGINEERING appears as a bidder on 10 government tenders on record, from 2 buyer authorities on central and PSU portals. Of its 10 decided bids, it was awarded 7 — a 70.0% win rate — worth ₹15.2 L in total. Its most recent award on record is from 19 May 2026.
Its largest buyer by awarded value is South Eastern Coalfields Limited, at 81.4% of what it has won, out of 2 authorities that have awarded it work. On priced bids, its median quote is the lowest (L1).
It most often bids against KRISHNA SALES AND CONSTRUCTION, singhenterprises and MECH TECH ENGINEERING. KRISHNA SALES AND CONSTRUCTION bid on 8 of the same tenders and won 3 of them; BLACK DIAMOND ENGINEERING won 5.