Explanation:

- Mohandas Gandhi was awarded the Kaisar-i-Hind Medal in 1915. This was an honor given by the British Empire to individuals for their public service in India. Gandhi received it for his work with ambulance services during the Boer War in South Africa.

- Lord Curzon was the Viceroy of India from 1899 to 1905. He is not related to the award given to Gandhi in 1915.

- Lord Hardinge was the Viceroy of India from 1910 to 1916. He was in office when Gandhi received the Kaisar-i-Hind Medal.

- Lord Dalhousie was the Governor-General of India from 1848 to 1856. His time period does not match with the year Gandhi received the award.

- Lord Ripon was the Viceroy of India from 1880 to 1884, and he also does not fit the timeline for this award.

- Correct Answer: Option 2 - Lord Hardinge

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