Correct option is B
The National Wasteland Development Board (NWDB) was established in 1985 during the tenure of Prime Minister Rajiv Gandhi. The main aim of NWDB was to promote the development of wastelands in the country, with a focus on afforestation and tree planting,
Focused on environmental protection and resource conservation through public participation.
Later, its functions were merged under the Department of Land Resources under the Ministry of Rural Development.
Information Booster:
Indira Gandhi: Known for her environmental contributions, like the Wildlife Protection Act (1972).
P.V. Narasimha Rao: Focused more on economic liberalization.
Manmohan Singh: Though active in environmental reforms later.