Saradha scam probe: Here's all you need to know about the Bengal battle

The CBI sent as many as 20 notices for examination members of a Special Investigation Team, including Kolkata Police commissioner Rajeev Kumar, before knocking on his doors on Sunday evening which spiralled into an unprecedented tussle between the two agencies. The CBI was handed over the probe by the Supreme Court in 2014 but the agency was allegedly finding it difficult to get all the documents and evidence collected by the special investigation team of West Bengal, which had initiated the probe against the Saradha Group.