According to the gift deed, Lallan Singh has harboured great 'love and affection' for Nishant Kumar since his childhood. Nishant Kumar Biography: The carrier of own Identity Born on July 20, 1975, Nishant Kumar , at 48 years old, is a important figure in Bihar’s political landscape. Son of the Chief Minister Nitish Kumar , Nishant is not merely riding on the back of his father’s political legacy but is making a distinct path of his own. Nishant Kumar is the only child of Bihar's Chief Minister Nitish Kumar and a graduate from BIT Mesra, Ranchi. He has a net worth of Rs. 2.77 crore, inherited from his late mother Manju Sinha, and has no interest in politics. Nishant Kumar Siblings- Single child Nishant Kumar Cast and Religion- Kurmi / Hindu Nishant Kumar early life & political career Though not much is public about early life of Nishant Kumar , he was politically inactive till recent years. He was said to be spiritually inclined. However, in last few months, he appears to be getting active politically.