Competitor profile

black stone minerals

They win 20% of what they bid, but only 9% of the value — the bigger bids get away.

5tenders on record
1buyer authority
0states
2 Apr 2026last award
Total bids
5
5 including cancelled tenders
Awarded
1
3 lost · 0 still pending
Awarded value
₹2.4 Cr
of ₹26.0 Cr bid — 9.2% conversion
Win rate
20.0%
of 5 decided bids

Bid outcomes

Lost bids carry more value than won ones — they chase big and lose big
By count5 bids
20.0%
20.0%
60.0%
Awarded120.0%
Pending00.0%
Tech rejected120.0%
Lost360.0%
By value₹26.0 Cr
25.5%
65.4%
Awarded₹2.4 Cr9.1%
Pending₹00.0%
Tech rejected₹6.6 Cr25.5%
Lost₹17.0 Cr65.4%

Where they win

1 authority · 0 states

Top buyer organisations

Rajasthan₹2.4 Cr100.0%

Operating states

LowHigh

1 award on central/PSU portals carry no state

Top competitors

In tenders they both bid · bar shows how the awards split
01
KEDAR BADRI INFRASTRUCTURE1 win · 3 shared tenders
₹5.6 Cr
won head-to-head
02
Jai buildcon pvt. ltd.1 win · 2 shared tenders
₹6.3 Cr
won head-to-head
03
CHARBHUJA CONSTRUCTION AND SOLUTIONS0 wins · 1 shared tender
₹0
won head-to-head
04
Nitesh Kumar Girdhari Lal Joshi0 wins · 1 shared tender
₹0
won head-to-head
05
RACHANA CONSTRUCTION CO1 win · 1 shared tender
₹6.6 Cr
won head-to-head
06
SHRI RAJENDRA KUMAR KALAL0 wins · 1 shared tender
₹0
won head-to-head
Rival awardedblack stone awardedOthers

Recent tenders awarded to black stone

About black stone minerals

black stone minerals appears as a bidder on 5 government tenders on record, from 1 buyer authority on central and PSU portals. Of its 5 decided bids, it was awarded 1 — a 20.0% win rate — worth ₹2.4 Cr in total. Its most recent award on record is from 2 Apr 2026.

Its largest buyer by awarded value is Rajasthan, at 100.0% of what it has won. On priced bids, its median quote is 6.2% above the lowest bid (L1).

It most often bids against KEDAR BADRI INFRASTRUCTURE, Jai buildcon pvt. ltd. and CHARBHUJA CONSTRUCTION AND SOLUTIONS. KEDAR BADRI INFRASTRUCTURE bid on 3 of the same tenders and won 1 of them; black stone minerals won 1.

This profile is built from what portals disclose publicly. Several states never release bidder lists or quoted prices, so it likely understates a company's true footprint. Companies are matched by the name they bid under, so firms sharing a common name can appear together. A tender counts as won when the company received the award. TenderShark compiles these public records independently and has no association with any government portal, buyer, or bidder.