Kolkata, July 24 (ANI): Former UP Assembly speaker Kesari Nath Tripathi on Thursday took oath as the Governor of West Bengal at a function at Raj Bhavan in Kolkata. Tripathi arrived in Kolkata from Uttar Pradesh on Wednesday. He was received by state finance and industry minister Amit Mitra and education minister Partha Chatterjee at the Howrah station. The Governor-designate was also given a guard of honour there at the station area by the state police as well.