Following the buzz, shares of the company slipped 4.99 per cent to Rs 180.75 at the BSE.
On the NSE, it lost 5.17 per cent to Rs 180.60.
According to media reports, the government is expected to reject two bids from Jindal Steel and Power Ltd (JSPL) for Gare Palma and Tara coal blocks citing "very low" bids and talk of cartelisation.
The coal auction kitty has crossed Rs 2 lakh crore mark, surpassing CAG's estimate of Rs 1.86 lakh crore revenue loss due to allocation of mines without auction by the previous government.