उत्तर प्रदेश में सबसे अल्प समय तक कौन मुख्यमंत्री के पद पर रहे ?
Tribhuvan Narain Singh was an Indian politician and Chief Minister of Uttar Pradesh. He remained Chief Minister from 18 October 1970 till 4 April 1971. Singh later served as Governor of West Bengal from the late 1970s until 1981. He was born and died in Varanasi, Uttar Pradesh
