Question

what did bahadur shah zafar do after accepting to be the leader of the rebel forces ?

Answer 1

Bahadur shah zafar wrote letters to all the chiefs and rulers of the India to come forward and organize a confederacy of Indian states to fight the British.  This single step taken by Bahadur Shah Zafar had great implications

Answer 2

Bahadur Shah Zafar had written letter to all the rulers and chiefs of India to come forward & organize a confederacy of Indian states to battle against the British.

This single measure taken by the Bahadur Shah Zafar has massive implications.

He was the second son and successor of the father Akbar II.