The correct answer is: A. Shri Sarwan Kumar.
Shri Sarwan Kumar was the first Deputy Speaker of the Himachal Pradesh Legislative Assembly. He was elected on 23 March 1977 and served till 1982. He was a member of the Indian National Congress party.
Shri Krishan Chander was the second Deputy Speaker of the Himachal Pradesh Legislative Assembly. He was elected on 19 December 1982 and served till 1985. He was a member of the Janata Party.
Shri Jaiwant Ram was the third Deputy Speaker of the Himachal Pradesh Legislative Assembly. He was elected on 22 December 1985 and served till 1990. He was a member of the Indian National Congress.
Shri Jai Ram Thakur is the current Deputy Speaker of the Himachal Pradesh Legislative Assembly. He was elected on 20 December 2017 and is a member of the Bharatiya Janata Party.