Question: what were the major factors that led to the decline of the mughal empire?
Answer: Wars of Succession: The Mughals did not follow any law of succession like the law of primogeniture. ... 
Aurangzeb's Policies: ... 
Weak Successors of Aurangzeb: ... 
Empty Treasury: ... 
Invasions: ... 
Size of the Empire and Challenge from Regional Powers: