N.S. Vishwanathan has taken over as deputy governor of the Reserve Bank of India. He replaces H.R. Khan, who has retired. Vishwanathan will have three-year tenure, RBI said in a statement. He will look after department of banking regulation, department of cooperative 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. Vishwanathan was earlier ED with the RBI