Mumbai: Reserve Bank of India (RBI) announced on Monday that N.S.Vishwanathan assumed office as a Deputy Governor, replacing H.R.Khan, who retired on turning 62. "N.S.Vishwanathan took over as the Deputy Governor of the Reserve Bank of India today (Monday)," RBI said in a release here. "The Government of India, on June 29, 2016 has appointed him as the Deputy Governor of the Reserve Bank of India, for a period of three years from the date of his taking over charge of the post on or after July 4, 2016, or until further orders," it said. As Deputy Governor, Vishwanathan will look after Department of Banking Regulation, Department of Co-operative Banking Regulation, Department of Non-Banking Regulation, Deposit Insurance and Credit Guarantee Corporation, Financial Stability Unit, Inspection Department, Risk Monitoring Department and the Secretary's Department, the release added. Vishwanathan was earlier Executive Director with the RBI. India's central bank has four Deputy Governors - the others being R. Gandhi, S.S.Mundra and Urjit Patel.