Raghuraj, a Rajput, was born to Raja Uday Pratap Singh in 1968. His grandfather Raja Bajrang Bahadur Singh was the founder vice-chancellor of Pant Nagar Agriculture University and later the second governor of Himachal Pradesh state.

Raghuraj was the first in his family to enter politics; his father is largely a recluse. Raghuraj's grand father had adopted his nephew Raja Uday Pratap Singh as his son.

Raghuraj completed his primary education from Mahaprabhu Bal Vidayalaya Narayni Asram Shivkuti, Allahabad, high school from Bharat Scout H.S. School in the year 1985, intermediate from Colonel Ganj Inter College Allahabad in the year 1987, and law graduation at Lucknow University.