The correct answer is (b), 1974.
The Air (Prevention and Control of Pollution) Act, 1974 is an act of the Parliament of India to provide for the prevention, control and abatement of air pollution in the country. The Act was enacted on 23 May 1974 and came into force on 19 November 1974.
The Act provides for the establishment of Central Pollution Control Board (CPCB) and State Pollution Control Boards (SPCBs) to implement the provisions of the Act. The Act also provides for the appointment of Air Pollution Control Officers (APCOs) to enforce the provisions of the Act.
The Act prohibits the emission of air pollutants in excess of the prescribed standards. The Act also prohibits the use of certain specified fuels and substances which are likely to cause air pollution.
The Act provides for the imposition of penalties for contravention of its provisions. The Act also provides for the closure of industries which are found to be causing air pollution.
The Air (Prevention and Control of Pollution) Act, 1974 is a landmark legislation which has helped to improve the air quality in India. The Act has been amended several times since its enactment to make it more effective.
The following are the options for the question:
(a) 1980: The Air (Prevention and Control of Pollution) Act was enacted in 1974, not 1980.
(b) 1974: The Air (Prevention and Control of Pollution) Act was enacted in 1974. This is the correct answer.
(c) 1981: The Air (Prevention and Control of Pollution) Act was enacted in 1974, not 1981.
(d) 1986: The Air (Prevention and Control of Pollution) Act was enacted in 1974, not 1986.