Black Hole of Calcutta Black Hole of Calcutta The Black Hole of Calcutta was a small prison or dungeon in Fort William where troops of Siraj ud-Daulah, the Nawab of Bengal, held British prisoners of war for three days on 20 June 1756. John Zephaniah Holwell, one of the British prisoners and an employee of the East India Company, said that, after the fall of Fort William, the surviving British soldiers, Anglo-Indian soldiers, and Indian civilians were imprisoned overnight in conditions so cramped that many people died from suffocation and heat exhaustion, and that 143 of 164 prisoners of war imprisoned there died. Fort
1957 West Bengal Legislative Assembly election between the Communist Party of India, the Praja Socialist Party, the Forward Bloc, Marxist Forward Bloc and the Revolutionary Socialist Party) and the United Left Front (comprising the Socialist Unity Centre of India, the Bolshevik Party of India, the Republican Party and the Democratic Vanguard). A third alliance was the United Democratic People's Front, consisting of Bharatiya Jana Sangh, Hindu Mahasabha and the Revolutionary Communist Party of India. The election was won by the Indian National Congress, who got a majority of its own in the assembly. The communists became the largest opposition party. 1957 West Bengal Legislative Assembly election