Which Indian sepoy in the British army played a key part in events immediately preceding the outbreak of the Indian rebellion of 1857?

Correct option is D

The correct answer is (D) Mangal Pandey.

Explanation:
Mangal Pandey was a sepoy in the British army. He played a key role in the events leading to the Indian Rebellion of 1857 by attacking British officers in Barrackpore on March 29, 1857.

Incorrect Options Explanation:

• Bhagat Singh: Known for his role in the Indian independence struggle in the 1920s-1930s, not in 1857.
• Mangal Singh: Not a key figure in the 1857 rebellion.
• Lokmanya Tilak: Prominent in the Indian independence movement, but not related to the 1857 rebellion.

Information Booster:

• Mangal Pandey:Born in 1831 in Nawabganj, Uttar Pradesh.
  • Key figure in the 1857 rebellion; executed on April 8, 1857.
  • Often regarded as the first martyr of the rebellion.