. . . . "1952-10-15" . . . . . . . . . . . . . "Ramashankar Singh" . . . . . . . . . . . . . . . . "Raman Singh" . . . . . . . . "Raman Singh" . . . . . . . . . . . . . "Dr. Raman Singh" . . "Prof. Raman Singh" . . . . . . . . . "1952" .