The correct answer is: A. Nahar Singh
Nahar Singh was the last ruler of Ballabhgarh, who martyred in the ‘1857 Revolt’. He was a brave and courageous ruler who fought against the British East India Company. He was killed in the Battle of Ballabhgarh on 18 June 1857.
Vijay Singh was the son of Nahar Singh. He was a minor at the time of his father’s death and was not able to take over the throne. He was later captured by the British and exiled to Burma.
Pratap Singh was the grandson of Nahar Singh. He was born after his grandfather’s death and was never able to rule Ballabhgarh. He died in 1891.
Mehar Singh was a relative of Nahar Singh. He was not involved in the ‘1857 Revolt’ and was not killed. He died in 1875.