The correct answer is (a) Justice K. N. Goyal.
Justice K. N. Goyal was the first Lokayukt of Uttar Pradesh. He was appointed on 15 January 1981 and served till 31 December 1984. He was a retired judge of the Allahabad High Court.
Justice Bishamabhar Dayal was the second Lokayukt of Uttar Pradesh. He was appointed on 1 January 1985 and served till 31 December 1989. He was a retired judge of the Allahabad High Court.
Justice Murtaza Hussain was the third Lokayukt of Uttar Pradesh. He was appointed on 1 January 1990 and served till 31 December 1994. He was a retired judge of the Allahabad High Court.
Justice N. K. Mehrotra was the fourth Lokayukt of Uttar Pradesh. He was appointed on 1 January 1995 and served till 31 December 1999. He was a retired judge of the Allahabad High Court.