The correct answer is: A. Karan Singh.
Karan Singh was the first Sadar-i-Riyasat of Jammu and Kashmir. He was the son of Maharaja Hari Singh, the last ruler of Jammu and Kashmir. Karan Singh was born on 19 May 1931 in Jammu. He was educated at the Mayo College in Ajmer, the Doon School in Dehradun, and the University of Cambridge.
Karan Singh was appointed as the Sadar-i-Riyasat of Jammu and Kashmir on 26 October 1952. He held this position till 26 January 1965. During his tenure as the Sadar-i-Riyasat, Karan Singh played a key role in the integration of Jammu and Kashmir with India. He also played a significant role in the development of Jammu and Kashmir.
Karan Singh was a member of the Indian National Congress. He was elected to the Rajya Sabha in 1962. He served as the Governor of Jammu and Kashmir from 1984 to 1990. He was also the President of the Indian National Congress from 1980 to 1985.
Karan Singh is a well-known author and scholar. He has written several books on Indian history and culture. He is also a member of the Rajya Sabha, the upper house of the Indian Parliament.
Karan Singh is a highly respected figure in India. He is known for his scholarship, his political acumen, and his commitment to the welfare of the people of Jammu and Kashmir.
The other options are incorrect.
- Option B: Hari Singh was the last ruler of Jammu and Kashmir. He was the father of Karan Singh.
- Option C: Omar Abdullah is the current Chief Minister of Jammu and Kashmir. He is the son of Farooq Abdullah, who was the Chief Minister of Jammu and Kashmir from 1982 to 1984 and from 1996 to 2002.
- Option D: Alla Rakha was a Kashmiri politician. He served as the Chief Minister of Jammu and Kashmir from 1947 to 1953.