Q. By which of the following treaty the English East India Company gained the Diwani rights of Bengal, Bihar, and Orissa?
Answer: Treaty of Allahabad
Notes: The Treaty of Allahabad was signed in 1765 between the Mughal Emperor Shah Alam II and Robert Clive, of the East India Company. Shah Alam II granted the East India Company Diwani rights of Bengal, Bihar, and Orissa.

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