The correct answer is (a) Vidya Sagar Nautiyal.
Vidya Sagar Nautiyal was an Indian politician who served as the Chief Minister of Uttarakhand from 2002 to 2007. He was a member of the Communist Party of India (Marxist).
Nautiyal was born in 1947 in the village of Nautiyal in the Garhwal region of Uttarakhand. He studied at the University of Delhi, where he obtained a degree in economics. After graduating, he worked as a journalist for several years before joining the Communist Party of India (Marxist) in 1972.
Nautiyal was elected to the Uttarakhand Legislative Assembly in 1991. He served as the Leader of the Opposition in the Assembly from 1993 to 1996. In 2002, he was elected Chief Minister of Uttarakhand. He served as Chief Minister until 2007.
Nautiyal died in 2016 at the age of 68.
The other options are incorrect because:
- Soban Singh Jeena was a member of the Indian National Congress.
- Indramani Badoni was a member of the Bharatiya Janata Party.
- Gagan Singh Rajwar was a member of the Bahujan Samaj Party.