Concept:Project Tiger is a centrally sponsored scheme launched by the Government of India for the conservation of tigers.
Explanation:The Government of India launched Project Tiger on 1st April 1973.
It was introduced during the tenure of Prime Minister Indira Gandhi.
The scheme is under the Ministry of Environment, Forests and Climate Change.
Later, it was converted into a statutory authority called the National Tiger Conservation Authority (NTCA) through the Wildlife (Protection) Amendment Act, 2006.
NTCA now handles both ecological and administrative aspects of tiger conservation.
It also conducts a country‑wide assessment of tigers, prey, and habitat every four years.
Thus, the year Project Tiger started in India is 1973.
Answer:B. 1973