Rajeev Ranjan Singh

Rajeev Ranjan Singh, popularly known as Sonu Singh, is an Indian politician and businessman from Bihar. He is the Member of the Bihar Legislative Assembly representing the Dehri Assembly constituency. Singh was elected for the first time in the 2025 Bihar Legislative Assembly election as a member of the Lok Janshakti Party (Ram Vilas).

Rajeev Ranjan Singh
Member of Bihar Legislative Assembly
Incumbent
Assumed office 14 November 2025
Preceded by	Fateh Bahadur Singh
Constituency	Dehri Assembly constituency
Personal details
Born	Dehri-on-Sone, Rohtas, Bihar, India
Political party	Lok Janshakti Party (Ram Vilas)
Spouse	Neetu Singh
Children	3
Parent	Lalan Singh (father)
Residence(s)	Dehri-on-Sone, Rohtas, Bihar
Education	Intermediate, BSEB
Profession	Businessman, Politician

Political career

Singh contested the 2025 Bihar Legislative Assembly election from the Dehri constituency on a ticket of the Lok Janshakti Party (Ram Vilas). He won the seat, becoming MLA on 14 November 2025. His predecessor was Fateh Bahadur Singh of the RJD.

In the election, Singh defeated Guddu Kumar Chandrawanshi of the RJD by a significant margin. ^[1]

Electoral performance

The official result published by the Election Commission of India confirmed Singh’s victory in the Dehri Assembly constituency. ^[2]