New Delhi With the Central Bureau of Investigation (CBI) readying a new set of FIRs this week, the coal scam probe is hot again. The agency is preparing to register four fresh cases in connection with its probe related to alleged irregularities in the allocation of captive coal blocks between 1993 and 2004.

Around 43 coal blocks were allocated during this period. The probe also includes coal blocks allocated during NDA's tenure. In its report, the Comptroller and Auditor General (CAG) said the government extended windfall gains of R1.86 lakh crore to private players by distributing coal blocks without bidding.