"The charge sheet was filed before the city civil and session court against all the six accused under the provisions of the Indian Personal Code (IPC) and the Prevention of Corruption Act, 1988, for allegedly causing loss of Rs.1,232 crore to the state-run National Mineral Development Corporation (NMDC) Ltd at Bellary," the Central Bureau of Investigation (CBI) said in a statement here Monday.

Though the premier investigating agency did not name the two retired IAS officers in the statement, a CBI official told IANS they were former commerce and industry secretary Shamim Banu and former commerce and industry principal secretary N. Vishwanathan.