After the online bids of 103 coal/lignite mines for sale of coal were decrypted and opened electronically in the presence of the bidders on June 28, a total of 35 bids (both online and offline) were received under two tranches of commercial coal mine auctions (7th tranche and 2nd attempt of 6th tranche).

The entire process was then shown to the bidders on a screen as sealed envelopes holding offline bid documents were likewise opened in their presence.

Under the Seventh tranche of auctions, a total of 34 bids both online and offline were received against 17 coal mines and two bids were received only online.

Of these 17 coal mines, nine are partially explored whereas the remaining mines are fully explored. The cumulative peak rated capacity ( PRC) of the fully explored coal mines is 47.80 million tonne per annum (MTPA).

16 coal mines are non-coking coal mines whereas one mine is a coking coal mine.

Under 2nd Attempt of Sixth tranche, a total of 5 coal mines were put up for auctions and one bid has been received against 1 coal mine which is a fully explored non-coking coal mine. The PRC of the coal mine is 4 MTPA.