The correct answer is the Battle of Buxar. Explanation & Key Takeaways: • The Battle of Buxar was fought in 1764. • The Battle of Buxar (1764) was the battle which was fought between English Forces, and a combined army of Mir Qasim. • The battle was the outcome of the misuse of Farman and Dastak, and also the trade expansionist aspiration of the English, Mir Qasim, the Nawab of Bengal, the Nawab of Oudh Shah Alam II, and the Mughal Emperor. • The battle of Buxar proved itself to be a turning point in the history of India. • In 1765, Shuja-ud-daulah and Shah Alam signed a treaty at Allahabad with Clive who had become the Governor of the company. • Under these treaties, the English company secured the Diwani of Bengal, Bihar, and Odisha, which gave the company the right to collect revenue from these territories. Related Concepts: • Battle of Kirkee: This battle was fought between the British East India Company and the Maratha Empire in 1817. Mir Qasim was not involved in this battle as he had died more than 50 years earlier. • Battle of Plassey: The Battle of Plassey was on June 23, 1757, on the banks of the Hooghly River in Bengal, India. It marked a decisive victory for the British East India Company, led by Robert Clive, over the forces of Siraj-ud-Daulah, the Nawab of Bengal, and his French allies. • Battle of Lahore: This battle was fought in 1849 between the British East India Company and the Sikh Empire. Mir Qasim was not involved in this battle as he had died more than 30 years earlier.