Final notification of the Minerals (Other the Atomic and Hydro Carbons Energy Minerals) Concession (Second Amendment) Rules, 2021 by Ministry of Mines. This notification has come into effect from 08 Apr 2021. In the Minerals (Other than Atomic and Hydro Carbons Energy Minerals) Concession Rules, 2016,in rule 44, after clause (i), the following proviso shall be inserted. “Provided that in respect of metals for which London Metal Exchange does not publish the daily settlement price, the monthly average price for that metal published by London Metal Exchange shall be multiplied by monthly average of reference rate for the currency in which the price is obtained.”