After their victory in the Battle of Buxar (1764 C.E.) the company acquired Diwani Rights (right to collect revenue). An aggressive expansion policy followed with the help of Doctrine of Lapse, Policy of Annexation and mere diplomacy was carried out. Rani Laxmibai of Jhansi and Raja Kunwarsingh of Bihar were among the few victims of these policies so they joined the revolt to regain their territories.
