Sanjay Roy, while speaking before a court, said he didn't know anything about the case. The CBI had earlier cited 11 pieces of evidence against him while ruling out the possibility of a gang rape.

The CBI, which filed the first charge sheet against Sanjay Roy on Monday, had gathered at least 11 pieces of evidence against him

Sanjay Roy is the sole accused in the RG Kar rape and murder case, with the CBI filing a charge sheet 58 days after the crime. The charge sheet cites 128 witnesses and leaves open the possibility of additional charges.