Principal Secretary to the Prime Minister of India the Government of India—was established after independence under the prime ministership of Jawaharlal Nehru, as a successor to the office of the Governor-General of India's secretary. Lal Bahadur Shastri appointed Lakshmi Kant Jha, an Indian Civil Service officer, as his secretary, making Jha the first secretary to the Government of India-ranked officer in the PMS. During Indira Gandhi's tenure as prime minister, the post of Principal Secretary to the Prime Minister was created; retired Indian Foreign Service officer P. N. Haksar became the first PS to the PM. The Principal Secretary to the Prime Minister of India acts as the
Prime Minister of India of government in a parliamentary system. The prime minister selects and can dismiss members of the cabinet; allocates posts to members within the government; and is the presiding member and chairperson of the cabinet. The union cabinet headed by the prime minister is appointed by the President of India to assist the latter in the administration of the affairs of the executive. Union cabinet is collectively responsible to the Lok Sabha as per of the Constitution of India. The prime minister has to enjoy the confidence of a majority in the Lok Sabha and shall resign if they are unable