Under Section 4 of the Water (Prevention and Control of Pollution) Act, 1974 and Section 6 of the Air (Prevention and Control of Pollution) Act, 1981 the Central Pollution Control Board (CPCB) is empowered to perform the functions of the State Pollution Control Board for all Union Territories. However, Section 4(4) of the Water (Prevention and Control of Pollution) Act, 1974 and Section 6 of the Air (Prevention and Control of Pollution) Act, 1981 provides that CPCB may delegate all or any of its powers and functions of a State Board in a UT under the said Acts to such person or body of persons as the Central Government may specify. The CPCB has delegated all its powers and functions as a State Board in respect of the UT of Delhi to a committee of officials as specified by the Central Government in March, 1991.  This committee has been reconstituted on 14th June 2002 vide notification No. B-12015/7/92-AS.