The army of the english met the nawab at plassey on 23rd june, 1757. the major part of the nawab's army was led by mir jaffar and rai durlab, took no part in the battle. siraj-ud-dauala was killed. mir jaffar became the nawab of bengal. the english secured the zamindari rights for the twenty- four pargana region in bengal and got a firm footing in bengal.
The Battle of Plassey) 23 June 1757, was a decisive British East India Company victory over the Nawab of Bengal and his French allies, establishing Company rule in South Asia which expanded over much of the Indies for the next hundred years. The battle took place at Palashi , Bengal (Plassey is the anglicised version of Palashi), on the river banks of the Bhagirathi River , about 150 km north of Calcutta , near Murshidabad , then capital of undivided Bengal. The belligerents were Siraj-ud-daulah