New Delhi: A fresh political controversy broke out after allegations surfaced that Indian Railways-owned IRCTC had entered into a contract with Saradha Group-run Saradha Tours and Travels for operating tourist services to different destinations.

Former minister of state for Railways Adhir Chowdhury demanded that the CBI, which is probing the multi-crore Saradha chit fund scam on a Supreme Court directive, probe whether Saradha was favoured unduly. The contract happened during Mamata Banerjee's tenure as Railway Minister.