Correct Answer: (b) Battle of Plassey
Solution:British supremacy was established in India from the Battle of Plassey. British defeated Nawab Siraj-ud-Daulah in the battle of Plassey on 23 June, 1757 under the command of Robert Clive. Nawab's army was under the command of three traitors-Mir Jafar, Yar Latif Khan and Rai Durlabh. Siraj fled form the battlefield to Murshidabad due to adverse circumstances of war. It finally resulted in his defeat. This victory provided instant military and ocmmercial benefits to Britishers. Battle of Plassey set the ground for British political dominion over three leading states of agriculture and Handcrafting: Bihar, Bengal, and Orissa. Battle of Plassey founded the British empire in India, however it was the Battle of Buxar ( 1764 AD) that actually established British superiority in India.