William Tayler, who played a harsh role in suppressing the Revolt in Bihar, was the Commissioner of:

William Tayler was the Commissioner of Patna during the Indian Rebellion of 1857. He was known for his harsh suppression of the revolt in Bihar. He ordered the execution of many rebels and their families, and he also destroyed many villages that were suspected of supporting the rebels. Tayler’s actions were controversial, but he was ultimately successful in suppressing the revolt in Bihar.

The other options are incorrect. Shahabad was a district in Bihar, but it was not under Tayler’s jurisdiction. Chotanagpur was a region in central India, and Bhagalpur was a district in Bihar. Neither of these places were under Tayler’s jurisdiction during the Indian Rebellion of 1857.