Which 1765 treaty, signed between the East India Company and Mughal Emperor Shah Alam II, granted the Company the diwani rights to collect revenue in Bengal, Bihar, and Orissa?

• A Treaty of Surat
• B Treaty of Allahabad ✓
• C Treaty of Purandar
• D Treaty of Salbai

The Treaty of Allahabad (1765) gave the East India Company the right to collect taxes from Bengal, Bihar, and Orissa, transforming it from a trading corporation into a territorial power.