Correct option is A
The correct answer is (a) 1765.
· The East India Company was granted Diwani rights by the Mughal Emperor Shah Alam II in 1765.
· These rights gave the Company authority to collect revenue and administer civil justice in the provinces of Bengal, Bihar, and Orissa.
· This marked a significant step in the expansion of British control in India, as it provided the Company with substantial revenue and administrative power.