Raja Radhika Raman Prasad Sinha (1937–2008) was an Indian civil engineer and a writer of Hindi literature. Born in Patna, in the Indian state of Bihar on May 26, 1937 as the eldest son of Gorakh Prasad and Umraoti Devi couple, Sinha was the author of several books which included The Gandhi Cap and Other Short Stories and Decoding Rig-Veda: For the Knowledge of Science. After his early education at St. Xavier's College, Ranchi, he graduated in electrical engineering from Birsa Institute of Technology Sindri and started his career as a member of faculty at Patna Engineering College. Later he joined the Bihar State Electricity Board where he spent the rest of his career before retiring in 1996 as the general manager of Patna Electric Supply Undertaking (PESU). He was married to Vidya Sinha and the couple had two sons and a daughter. The Government of India awarded him Padma Bhushan, the third highest Indian civilian award, in 1962. The Government of Bihar has instituted an annual award, Raja Radhika Raman Prasad Singh Prize, in his honor. He died on March 2, 2008, survived by his wife and children.