Who is the Chairman of ‘National Population Commission’ ?

The correct answer is (a) President.

The National Population Commission (NPC) is a statutory body set up by the Government of India in 1952 to undertake demographic studies and research, and to advise the government on population matters. The NPC is headed by a Chairman, who is appointed by the President of India. The current Chairman of the NPC is Vijay Shankar Vyas.

The other options are incorrect. The Lok Sabha Speaker is the presiding officer of the Lok Sabha, the lower house of the Parliament of India. The Prime Minister is the head of government of India. The Vice-President is the second-highest constitutional office in India, after the President.