The correct answer is Lord Curzon.
Lord Curzon was the Viceroy of India from 1899 to 1905. He was a great admirer of the natural beauty of Naldehra, a hill station in the Indian state of Himachal Pradesh. He was so captivated by its beauty that he named his daughter after it.
Lord Dalhousie was the Viceroy of India from 1848 to 1856. He was a great administrator and statesman, but he was not known for his appreciation of natural beauty.
Lord Dufferin was the Viceroy of India from 1884 to 1888. He was a poet and a diplomat, but he was not known for his interest in hill stations.
Lord Auckland was the Viceroy of India from 1836 to 1842. He was a soldier and a politician, but he was not known for his love of nature.