The correct answer is: A. Anglo-Sikh War I
The Anglo-Sikh Wars were two wars fought between the British East India Company and the Sikh Empire. The first war was fought from 1845 to 1846, and the second war was fought from 1848 to 1849. The wars resulted in the British annexation of the Sikh Empire.
The Raja of Bhagat was a Sikh ruler who fought against the British in the Anglo-Sikh Wars. He was defeated in both wars, and his kingdom was annexed by the British.
The Revolt of 1857 was a major uprising against British rule in India. The revolt was led by Indian soldiers who were unhappy with their treatment by the British. The revolt was ultimately unsuccessful, but it had a significant impact on British rule in India.
The Nepal Wars were a series of wars fought between the British East India Company and the Kingdom of Nepal. The wars were fought from 1814 to 1816, and from 1818 to 1819. The wars resulted in the British annexation of some Nepalese territory.
The Raja of Bhagat was not involved in the Nepal Wars.