Bahadur Shah Zafar blessed the mutiny and this event changed the situation and gave strength to the Sepoy mutiny.

Who was Hakim Ahsanullah?

Hakim Ahsanullah Khan, who was the emperor's acting prime minister during the four months of the siege of Delhi, was one of the most important witnesses for the British. He was shown a leaf from a court diary for May 16, 1857 that indicted the emperor.

What was Bahadur Shah 2 contribution during the revolt?

Bahādur Shāh II

For most of his reign he was a client of the British and was without real authority. He figured briefly, and reluctantly, in the Indian Mutiny of 1857–58; during the mutiny, rebel troops from the city of Meerut seized Delhi and compelled Bahādur Shāh to accept nominal leadership of the revolt.