Correct option is A
- WS Seton-Kar was the Chairman of the Indigo Commission.
- The Indigo Commission was set up by the British government in 1859 to investigate the grievances of indigo farmers in Bengal who were exploited by British planters.
- The Indigo Revolt (also known as the Nayapara Revolt) of 1859–1860 was a significant event in Indian history, where indigo farmers protested against the oppressive practices of British planters.
- English lawyer and a member of the Indian Civil Services. He is known for his involvement in the Tata-Birla Commission (1940), which focused on the interests of workers in Indian industries.
- Was a British civil servant, but he is not connected to the Indigo Commission.
- was an English administrator and civil servant in India. However, he was not the Chairman of the Indigo Commission either.