The correct answer is (b) Sir Henry Ramsay.
Sir Henry Ramsay was the Commissioner of Kumaon during the revolt of 1857. He was a British civil servant who served in India for over 30 years. He was known for his administrative skills and his work in promoting education and development in Kumaon.
J.N.Baitan was a Kumaoni freedom fighter who fought against the British during the revolt of 1857. He was a close associate of Nana Sahib and was involved in the planning and execution of the revolt in Kumaon.
Sir Lashingatan was a Kumaoni ruler who ruled the Kumaon Kingdom from 1781 to 1815. He was a powerful and influential ruler who resisted the British attempts to conquer Kumaon.
Sir Fisher was a British civil servant who served in India for over 20 years. He was known for his work in promoting education and development in India. He was not the Commissioner of Kumaon during the revolt of 1857.