New Delhi: Senior revenue service officer A K Jain was on Tuesday appointed Chairman of Central Board of Direct Taxes (CBDT), the apex policy making body of Income Tax department. Jain, a 1978 batch Indian Revenue Services officer, was made acting Chairman of the board following superannuation of Anita Kapur on November 30. The Appointments Committee of Cabinet has approved the appointment of Jain as CBDT Chairman, an order issued by Department of Personnel and Training (DoPT) said.