The Central Bureau of Investigation (CBI) has filed an affidavit in the Supreme Court detailing multiple 바카라˜acts of omission바카라™ by former Kolkata Police chief Rajeev Kumar during his stint as head of the special investigation team that probed a series of ponzi schemes, including the Saradha and Rose Valley chit funds, which duped investors of over Rs 20000 crore over a five year period between 2009 and 2014.Â