In 1949, at age of eighteen, Singh was appointed as the Prince Regent of
Jammu and Kashmir state after his father stepped down as the ruler, following the state's accession to India. From that point, he served successively as regent, the
Sadr-i-Riyasat, and the first governor of the state of Jammu and Kashmir from 1965 to 1967. On 8 August 1953 as the President (
Sadr-i-Riyasat) of Jammu and Kashmir, Karan Singh backed a
coup d'etat against the elected Prime Minister
Sheikh Abdullah, allegedly for harboring independent ambitions for Kashmir, which led to the imprisonment of Abdullah for eleven years following the
Kashmir Conspiracy Case. In 1967, he resigned as
Governor of Jammu and Kashmir, and became the youngest-ever member of the Union Cabinet, holding the portfolios of Tourism and Civil Aviation between 1967 and 1973. Two years later, he voluntarily surrendered his privy purse, which he had been entitled to since the death of his father in 1961. He placed the entire sum into a charitable trust named after his parents. In the 26th amendment to the
Constitution of India promulgated in 1971, the Government of India, of which Karan Singh was a
Union cabinet minister, abolished all official symbols of
princely India, including titles, privileges, and remuneration (
privy purses). During the conclusion of the
Cold War, he was India's ambassador to the
USA. Singh received the
Padma Vibhushan in 2005. present the
Jawaharlal Nehru Award for International Understanding to German Chancellor
Angela Merkel at the
Presidential Palace in New Delhi, India in 2009.|leftIn 1971, he was sent as an envoy to the Eastern Bloc nations to explain India's position with regard to East Pakistan, then engaged in civil war with West Pakistan. He attempted to resign following an aircraft crash in 1973, but the resignation was not accepted. The same year, he became the Minister for Health and Family planning, serving in this post until 1977. Following the Emergency, Karan Singh was elected to the Lok Sabha from Udhampur in 1977 on a Congress ticket [the party had not split into Congress(I) and Congress(U) factions till then], and became Minister of Education and Culture in 1979 in Charan Singh's cabinet, representing Congress(U), which had split from Indira's Congress. Notably, Charan Singh became Prime Minister after the fall of Janata Party government headed by Morarji Desai. And Charan Singh himself resigned without facing Parliament even for a day as he was not sure of having a confidence motion passed in his favour. Karan Singh contested the 1980 Lok Sabha election on a Congress(U) ticket and won. In 1989–1990, he served as Indian Ambassador to the US, and this experience became the subject of a book he wrote, "Brief Sojourn". From 1967 to 1984, Karan Singh was a member of the Lok Sabha. In 1984, he contested the Lok Sabha polls as an independent candidate from Jammu but lost the election. He was a member of the Rajya Sabha from 30 November 1996 to 12 August 1999, representing
National Conference, a Muslim dominated party active in
Jammu and Kashmir. Later, he was a
Rajya Sabha member from 28 January 2000 to 27 January 2018 representing
INC. He is known for switching his loyalties from one political party to another quite frequently. He has served as Chancellor of
Banaras Hindu University, Jammu and Kashmir University,
Jawaharlal Nehru University, and NIIT University. File:The Prime Minister, Dr. Manmohan Singh addressing at the launch of a film - "I Believe Universal Values for a Global Society", by Raja Choudhury based on the beliefs of Dr. Karan Singh, in New Delhi on March 09, 2011.jpg|Prime Minister
Manmohan Singh addressing at the launch of a film -
I Believe Universal Values for a Global Society, by
Raja Choudhury based on the beliefs of Dr. Karan Singh in 2011. File:Manmohan Singh presenting the “Rajiv Gandhi National Sadbhavana Award” to Dr. Kiran Seth of SPIC MACAY, at a function, in New Delhi. The President of ICCR, Dr. Karan Singh and the Member of Parliament.jpg|Karan Singh, along with Prime Minister
Manmohan Singh and
Rahul Gandhi present the
Rajiv Gandhi National Sadbhavana Award to
Kiran Seth in 2011. File:Hillary Clinton with Sonia and Rahul Gandhi.jpg|Karan Singh meets Hillary Clinton along with Congress party President Sonia Gandhi, and Rahul Gandhi. July 2009
Later life Singh has been engaged by
Sansad TV (a merged Global TV Channel of
Lok Sabha TV and
Rajya Sabha TV) as a Guest Anchor along with some other senior celebrated experts from diverse fields such as
Bibek Debroy,
Amitabh Kant,
Shashi Tharoor,
Hemant Batra,
Maroof Raza and
Sanjeev Sanyal to present some flagship programmes. ==Election Contested==