Invitation to Bid - Construction and fixing of PCC pillar for monitoring of subsidence over the depillaring area at Surface and earth filling at surface area over the proposed depillaring panel 5 East,6 East and 7 East of Shiwani UG Mine under Bhatgaon Area. in SURAJPUR, CHHATTISGARH
South Eastern Coalfields Limited
SURAJPUR, CHHATTISGARH