The details have been sought from government allocatees of coal blocks allotted between 1995 and 2007 which are operational or are likely to commence output in FY'15.
The government has sought affidavit from allotees of 61 coal and lignite mines like JSPL and Hindalco about the status of mines.
"In connection with the above mentioned case (ML Sharma Vrs Principal Secretary and others) in the Supreme Court you are requested to furnish...Whether any joint venture has been formed for mining of coal in respect of coal block allocated to your company," Coal Ministry has said in letter to the companies.
The letter has been sent to Steel Authority of India, National Thermal Power Corporation and Damodar Valley Corporation, besides PSUs under the state governments.
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In case mine developer and operator (MDO) has been appointed for mining of coal, the rate allowed to MDO and the margin of profit of MDO has also been sought by the ministry to furnish the information to the apex Court.
The blocks also include Panchwara Central given to Punjab State Electricity Board, Namchik Namphuk of Arunachal Pradesh Mineral Development Corporation, Baranj 1-IV, Kiloni and Manora Deep of Karnataka Power Corporation Ltd, Trans Damodar of West Bengal Mineral Development Corporation, Parsa East and Kanta Basan of Rajasthan Rajya Vidyut Utpadan Nigam and Amelia North of Madhya Pradesh State Mining Corporation.
The Supreme Court on August 25 said that all coal block allocations made from 1993 to 2010 before pre-auction era during previous NDA and UPA regimes have been done in an illegal manner by an "ad-hoc and casual" approach "without application of mind".
The apex court, which had examined the allocation of 218 blocks said: "There was no fair and transparent procedure, all resulting in unfair distribution of the national wealth." The next hearing is scheduled for September 9.