New Delhi: A special CBI court has taken cognisance of a charge sheet filed by the agency against its former director Ranjit Sinha (who passed away in 2021); Vijay Darda, former member of Rajya Sabha; businessman Devendra Darda, Vijay Darda’s son; Santosh Bagrodia, former minister of state (MoS) for coal; and K Sudhakar, former senior CBI official for allegedly conspiring to favour the accused involved in the allocation of coal blocks.