The correct answer is: C. Kacho Sikandar Khan
Kacho Sikandar Khan was an eminent writer from Kargil district of Ladakh. He was born in 1890 and died in 1964. He was a prolific writer and wrote extensively on a variety of subjects, including history, culture, and religion. His works are considered to be an important source of information on the history and culture of Ladakh.
Option A: Hassan Khan was a politician from Kargil district of Ladakh. He was born in 1920 and died in 2006. He served as a member of the Jammu and Kashmir Legislative Assembly from 1977 to 1983.
Option B: Jaffar Ali was a freedom fighter from Kargil district of Ladakh. He was born in 1910 and died in 1990. He was a member of the All India Congress Committee and played a leading role in the Quit India Movement of 1942.
Option D: None of the above is an eminent writer from Kargil district of Ladakh.