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 long as the constitution and the rule of law is obeyed by the cabinet and the legislature. The Prime Minister of India is the head of government and has the responsibility for executive power. The president's constitutional duty is to preserve, protect and defend the Constitution and the law per . In the constitution of India, the prime minister is mentioned in only four of its articles (articles 74, 75, 78 and 366), however he/she plays a crucial role in the Government of India by enjoying majority in the Lok Sabha. According to Article 84 of the Constitution of India,