Who carried on prolonged guerrilla warfare against the Company's forces in the Kaimur Hills during 1857?

Correct answer: (a) Amar Singh

Explanation

After Kunwar Singh died in April 1858, his brother Amar Singh took command of the rebels. He retreated to the Kaimur Hills and kept up a long guerrilla war against the Company's forces. He also ran a parallel government in the Shahabad region for some time.