In which year did the English East India Company acquire the ‘Diwani' of Bengal?
1. 1763
2. 1762
3. 1764
4. 1765

4

1765: English East India Company acquired Diwani of Bengal
After the Battle of Buxar in 1764, the Treaty of Allahabad in 1765 granted the British East India Company the Diwani rights of Bengal, Bihar, and Orissa. Diwani rights allowed the company to collect revenue and administer the civil justice system.