Get latest articles and stories on India at LatestLY. The CBI Friday told the Supreme Court that Trinamool Congress leader S K Supiyan, who was the election agent of Chief Minister Mamata Banerjee in Nandigram during the last year's assembly elections, has been running away from the investigation in the murder case of a BJP worker being investigated by it. India News | Mamata's Poll Agent Running Away from Investigation in Murder Case: CBI to SC.