Bhubaneswar, Jan 5: After yesterday when the Trinamool Congress (TMC) MP Sudip Bandopadhyay was remanded to CBI custody in connection with Rose Valley chit fund scam, today his wife Naina Bandopadhyay alleged that the reason behind the arrest of her husband is political altercation. She further alleged that the BJP is controlling the CBI and the officials are puppets to the saffron party. Naina is also a MLA in West Bengal. She was seen coming out the CBI office here today. Whether Naina deposed before the CBI or she on her own had gone to the office could not ascertained but she spent around one hour in the office as per the official sources.