Section 4A(3) in The Delhi Special Police Establishment Act, 1946
(3)The Committee shall recommend a panel of officers(a)on the basis of seniority, integrity and experience in the investigation of anti-corruption cases; and(b)chosen from amongst officers belonging to the Indian Police Service constituted under the All-India Services Act, 1951 (61 of 1951), for being considered for appointment as the Director. ]
