As executive director, Bhattacharyya will look after the Department of Economic and Policy Research, the RBI said in a statement.
The appointment is effective from March 19.
Over a span of nearly three decades, he has worked in the areas of monetary policy, fiscal policy, banking, and international economic relations in the Monetary Policy Department, Department of Economic and Policy Research and the International Department of the RBI.
He has also served as an economic expert in the technical office of the Governor at Qatar Central Bank, Doha, Qatar for 5 years (2009-14).