All Prime Ministers of India: Jawahar Lal Nehru served the post of prime minister for 16 years, 286 days followed by the Indira Gandhi – 15 years, 350 days and Dr. Manmohan Singh -10 years, 4 days.
After that, The results of the 17th Lok Sabha elections have been declared on the 23 May 2019. Narendra Modi will be the 14th Prime Minister of India.

Jawaharlal Nehru
The first prime minister of India and the longest-serving PM of India, first to die in office.
- Birth-death: 1889–1964
- Party: Indian National Congress
- Constituency: Phulpur, Uttar Pradesh
- Term: 16 years, 286 days
- 15 August 1947 – 15 April 1952
- 15 April 1952 – 17 April 1957
- 17 April 1957 – 2 April 1962
- 2 April 1962 – 27 May 1964

Gulzarilal Nanda
He was awarded the Bharat Ratna, First acting PM of India.
- Birth-death: 1898–1998
- Party: Indian National Congress
- Constituency: Sabarkantha, Gujarat
- Term: 26 days
- 27 May 1964 – 9 June 1964
- 11 January 1966 – 24 January 1966

Lal Bahadur Shastri
He has given the slogan of “Jai Jawan Jai Kisan” during the Indo-Pak war of 1965.
- Birth-death: 1904–1966
- Party: Indian National Congress
- Constituency: Allahabad, Uttar Pradesh
- Term: 1 year, 216 days
- 9 June 1964 – 11 January 1966

Indira Gandhi
She is the First lady Prime Minister of India.
- Birth-death: 1917–1984
- Party: Indian National Congress
- Constituency: Rajya Sabha MP for Uttar Pradesh; Rae Bareli, Uttar Pradesh; Medak, Andhra Pradesh
- Term: 15 years, 350 days
- 24 January 1966 – 4 March 1967
- 4 March 1967 – 15 March 1971
- 15 March 1971 – 24 March 1977
- 14 January 1980 – 31 October 1984

Morarji Desai
Oldest to become PM at 81 and first to resign from office.
- Birth-death: 1896–1995
- Party: Janata Party
- Constituency: Surat, Gujarat
- Term: 2 years, 126 days
- 24 March 1977 – 28 July 1979

Charan Singh
Only PM who did not face the Parliament.
- Birth-death: 1902–1987
- Party: Janata Party (Secular) with INC
- Constituency: Baghpat, Uttar Pradesh
- Term: 170 days
- 28 July 1979 – 14 January 1980

Rajiv Gandhi
He is the Youngest to become PM at 40 years.
- Birth-death: 1944–1991
- Party: Indian National Congress
- Constituency: Amethi, Uttar Pradesh
- Term: 5 years, 32 days
- 31 October 1984 – 31 December 1984
- 31 December 1984 – 2 December 1989

Vishwanath Pratap Singh
He is Minister for Finance (1984-87) and Defence (1987), Bofors and HDW.
- Birth-death: 1931–2008
- Party: Janata Dal (National Front)
- Constituency: Fatehpur, Uttar Pradesh
- Term: 343 days
- 2 December 1989 – 10 November 1990

Chandra Shekhar
He is the first Indian Prime Minister who has never held any Government office.
- Birth-death: 1927–2007
- Party: Samajwadi Janata Party with INC
- Constituency: Ballia, Uttar Pradesh
- Term: 223 days
- 10 November 1990 – 21 June 1991

P. V. Narasimha Rao
Narasimha Rao fought and won elections from different parts of India such as Andhra Pradesh, Maharashtra, and Odisha.
- Birth-death: 1921–2004
- Party: Indian National Congress
- Constituency: Nandyal, Andhra Pradesh
- Term: 4 years, 330 days
- 21 June 1991 – 16 May 1996

Atal Bihari Vajpayee
He is PM for the shortest tenure. The first non-congress PM who completed a full term as PM.
- Birth-death: 1924–2018
- Party: Bharatiya Janata Party
- Constituency: Lucknow, Uttar Pradesh
- Term: 6 years, 80 days
- 16 May 1996 – 1 June 1996
- 19 March 1998 – 10 October 1999
- 10 October 1999 – 22 May 2004

H. D. Deve Gowda
- Birth-death: 1933–
- Party: Janata Dal (United Front)
- Constituency: Rajya Sabha MP for Karnataka
- Term: 324 days
- 1 June 1996 – 21 April 1997

Inder Kumar Gujral
He was the Minister of Information and Broadcasting during the emergency. In 1976, he was appointed as the Ambassador of India to the Soviet Union.
- Birth-death: 1919–2012
- Party: Janata Dal (United Front)
- Constituency: Rajya Sabha MP for Bihar
- Term: 332 days
- 21 April 1997 – 19 March 1998

Manmohan Singh
The first Sikh in office, Singh was also the first prime minister since Jawaharlal Nehru to be re-elected after completing a full five-year term.
- Birth-death: 1932–
- Party: Indian National Congress (UPA)
- Constituency: Rajya Sabha MP for Assam
- Term: 10 years, 4 days
- 22 May 2004 – 22 May 2009
- 22 May 2009 – 26 May 2014