The CBI on Thursday carried out searches in seven locations in Kolkata and extended the net of investigation in the scam to personal assistant of a prominent West Bengal Minister, a few businessmen and a retired IPS officer.
During the day, the CBI officials quizzed Bapi Karim, the former personal assistant of a Minister, along with former IPS officer Deben Biswas.
Businessman Sandhir Agarwal, who is in the custody of the CBI, his father Sajjan Agarwal and another businessman Asif Khan were also quizzed.