India will auction 18 critical mineral blocks as part of its second round of mining auctions . Oil-to-metals conglomerate Vedanta Ltd, state-owned miner Coal India, Shree Cement and e-scooter maker Ola Electric have emerged as bidders after the first round of auction for 20 blocks concluded on Feb. 20 . Also Read 500 non-coal mineral blocks to go under the hammer by FY26 The companies did not immediately respond to Reuters’ requests for comment