kolkata, March 13 -- West Bengal's new governor RN Ravi took oath at the Lok Bhawan on Thursday, and vowed to serve the people of the "great land" with "utmost devotion". Ravi, a former Indian Police Service (IPS) officer from the 1976 batch, was administered the oath by Calcutta high court Chief Justice Sujoy Paul at a ceremony, which was attended by chief minister Mamata Banerjee and other top state leaders. P8...