The correct answer is: D. 1978
The National Forest Policy was formulated in 1978. It is a policy document that outlines the government’s objectives for the management of forests in India. The policy emphasizes the need for conservation and sustainable use of forests, and it provides a framework for the development of forest management plans.
The policy has been criticized for being too focused on commercial forestry and for not giving enough attention to the needs of local communities. However, it remains the guiding document for forest management in India.
The other options are incorrect. Option A is incorrect because the National Forest Policy was not formulated in 1990. Option B is incorrect because the National Forest Policy was not formulated in 1980. Option C is incorrect because the National Forest Policy was not formulated in 1988.