As part of its fifth-tranche auction, India, for the first time, on Tuesday auctioned Potash and Halite mines, with Coal India Ltd (CIL), Hindustan Zinc Ltd (HZL), and Oil India Ltd (OIL) bagging critical and strategic mineral blocks, according to an official statement https://www.business-standard.com/companies/news/coal-india-hindustan-zinc-and-oil-india-win-auction-of-mineral-blocks-125052701936_1.html