Mamata vs CBI: Know how the controversy started

West Bengal Chief Minister Mamata Banerjee, who began a sit-in protest over the CBI's attempt to question the Kolkata Police chief in connection with chit fund scams, said Monday she will continue her "Satyagraha" till the country and its Constitution are "saved". The Chief Minister skipped meals and remained awake the entire night on a makeshift dais here along more