Read about CM inaugurates 3 minerals blocks in Kondagoan district and launches NIT for auction of exploration licences. The Mines and Minerals (Development and Regulation) Act, 1957 introduced new mineral concession as exploration licence for 29 critical and deep-seated minerals. The objective is to fast-track the exploration of critical minerals with the participation of the private sector. The preferred bidder in the auction of exploration licence will be selected through reverse bidding.