Under which among the following treaties, Clive had secured the grant of the diwani of Bengal, Bihar and Orissa from Mughal Emperor Shah Alam?

[A]Treaty of Allahabad
[B]Treaty of Buxar
[C]Treaty of Bassein
[D]Treaty of Sugauli

Treaty of Allahabad
Clive had secured the grant of the diwani of Bengal, Bihar and Orissa from Mughal Emperor Shah Alam under Treaty of Allahabad 1765.