The correct answer is: Raja Nahar Singh.
Raja Nahar Singh was a Rajput ruler of the erstwhile princely state of Bharatpur in Rajasthan, India. He was the son of Raja Suraj Mal and the grandson of Raja Jai Singh. He was born in 1713 and died in 1782.
Raja Nahar Singh was a brave and courageous warrior. He fought many battles against the Mughals and the Marathas. He was also a great administrator and builder. He constructed many palaces, forts, and temples in his kingdom.
The most famous of his constructions is the Raja Nahar Singh Fort, which is located in Bharatpur. The fort was built in the 18th century and is one of the most important historical monuments in Rajasthan.
The other options are incorrect because:
- Raja Balram Singh was the father of Raja Nahar Singh.
- Raja Jai Singh was the grandfather of Raja Nahar Singh.
- Raja Madho Singh was the great-grandfather of Raja Nahar Singh.