The correct answer is: c) Colin Campbell.
John Nicholson was a British soldier who was killed in action during the Siege of Delhi in 1857. Henry Havelock was a British general who led the relief of Lucknow in 1857. Robert Napier was a British general who led the British expedition to Abyssinia in 1868.
Colin Campbell was a British general who was commander-in-chief of the British Indian Army from 1857 to 1860. He led the relief of Lucknow in 1857 and the final defeat of the Indian Rebellion in 1858.
The Siege of Lucknow was a major battle in the Indian Rebellion of 1857. The British garrison in Lucknow was besieged by Indian rebels for 87 days. The siege was eventually lifted by a British relief force led by Colin Campbell.
The Indian Rebellion of 1857 was a major uprising against British rule in India. The rebellion began in Meerut on May 10, 1857, and spread to other parts of India. The rebellion was eventually suppressed by the British, but it had a profound impact on British rule in India.