A businessman said to be close to a Trinamool Congress leader and the chairman of Halisahar Municipality in West Bengal's North 24 Parganas district was arrested in the multi- crore Sanmarg Cooperative chit fund scam, said the CBI on .
According to CBI sources, Sanjay Singh, after being quizzed for over 10 hours at the CGO complex, was arrested due to inconsistencies in his statements