The correct answer is Colonel Munro.
Colonel Munro was a British army officer who played a key role in quelling revolts in Malabar in the early 19th century. He was appointed as the Resident of Malabar in 1792, and he quickly set about restoring order to the region. He was successful in suppressing the rebellions of the Pazhassi Raja and the Mappila Muslims, and he also introduced a number of reforms to improve the lives of the people of Malabar.
William Logan was a British civil servant who served as the Malabar Collector from 1881 to 1887. He is best known for his work on the Malabar Manual, a comprehensive study of the history, culture, and society of Malabar.
T.H. Baber was a British civil servant who served as the Malabar Collector from 1867 to 1872. He is best known for his work on the Malabar District Gazetteer, a comprehensive guide to the geography, history, and society of Malabar.
Charles Turner was a British civil servant who served as the Malabar Collector from 1854 to 1857. He is best known for his work on the Malabar Revenue Settlement, a system of land revenue administration that was introduced in Malabar in the mid-19th century.