The correct answer is (c) Lord Cornwallis.
Lord Cornwallis was the first Governor-General of India from 1786 to 1793. He is known as the father of the Indian Civil Service because he established the Indian Civil Service in 1793. The Indian Civil Service was a British civil service that was responsible for administering the British Raj in India. The Indian Civil Service was one of the most prestigious and powerful civil services in the world. It was known for its high standards of education and its commitment to public service.
Warren Hastings was the first Governor-General of India from 1773 to 1785. He is not known as the father of the Indian Civil Service because he did not establish the Indian Civil Service.
William Bentinck was the Governor-General of India from 1828 to 1835. He is not known as the father of the Indian Civil Service because he did not establish the Indian Civil Service.
Lord Dalhousie was the Governor-General of India from 1848 to 1856. He is not known as the father of the Indian Civil Service because he did not establish the Indian Civil Service.