Why Mir Jafar, Jagat Seth, Omichund and Rai Durlabh Allied Against Siraj-ud-Daulah?

Siraj ud Daulah tyrannical rule played a key role in his defeat at the hands of British East India Company.
Siraj ud Daulah tyrannical rule played a key role in his defeat at the hands of British East India Company.
In the 1857 War of Independence, Bakht Khan replaced Mirza Mughal as the commander of the rebel forces in Delhi after his death.