Prime Minister of India to ensure the passage of bills by the parliament. Since 1947, there have been 14 different prime ministers. The first few decades after 1947 saw the Indian National Congress' (INC) almost complete domination over the political map of India. India's first prime minister—Jawaharlal Nehru—took oath on 15 August 1947. Nehru went on to serve as prime minister for 17 consecutive years, winning four general elections in the process. His tenure ended in May 1964, on his death. After the death of Nehru, Lal Bahadur Shastri—a former home minister and a leader of the Congress party—ascended to the position of prime
Principal Secretary to the Prime Minister of India a retired 1972 batch Gujarat cadre Indian Administrative Service (IAS) officer, was appointed by the Appointments Committee of the Cabinet to serve as newly-elected Prime Minister Narendra Modi's additional principal secretary. The status of an additional principal secretary—akin to the principal secretary—is generally considered equivalent to the Cabinet Secretary, the Government of India's topmost civil servant. Principal Secretary to the Prime Minister of India The Principal Secretary to the Prime Minister of India (PS to the PM; IAST: ) is the senior-most bureaucrat in, and the administrative head of, the Prime Minister's Office. The officeholder is generally a civil servant,