The correct answer is (c) 1972.
Project Elephant was launched in 1972 by the Government of India to ensure the survival of the Asian elephant in the country. The project is implemented by the Ministry of Environment, Forest and Climate Change, and is coordinated by the National Tiger Conservation Authority.
The project aims to protect the elephant population through a variety of measures, including habitat conservation, anti-poaching measures, and research. Project Elephant has been successful in increasing the elephant population in India, and is considered to be one of the most successful conservation projects in the world.
Option (a), 1968, is incorrect because Project Elephant was launched in 1972.
Option (b), 1970, is incorrect because Project Elephant was launched in 1972.
Option (d), 1974, is incorrect because Project Elephant was launched in 1972.