(a) the details of various minerals and iron ores produced from the Dantewada mines in Chhattisgarh under the National Mineral Development Corporation (NMDC) during the last three years and the countries to which the minerals acquired from the said mine are being exported;
(b) whether any contract has been signed to give the lease of Mine 13 under NMDC located at Dantewada District to a private firm and if so, the names of iron ores and other minerals obtained from these mines along with the quantity thereof;
(c) the details of the estimated quantity of minerals and iron ores from the said mine during the last three years before signing of the contract on the basis of which the contract was signed; and
(d) the number of mines in Chhattisgarh, lease of which has been given to private firms?