Which of the following statement/s is true about the sustainable development? 1. It was introduced in early 1980's in particular thro ug h th e p u blicatio n o f th e Wo rld Conservation Strategy by IUCN, UNEP and WWF.2. It w as in tro d uced in early 1 99 2 's on th e recommendation of Brettonwoods commission.3. It w as in tro d uced in early 1 98 0 's on th e recommendation of Brundtland commission.4. It means that Present generation should fulfill its needs while considering the needs of the future generation as well. Codes:

India is a Sovereign Socialist Secular Democratic Republic with a Parliamentary form of government which is federal in structure with unitary features. There is a Council of Ministers with the Prime Minster as its head to advice the President who is the constitutional head of the country.
Public policy generally consists of the set of actions—plans, laws, and behaviours—adopted by a government.