Original sentence: After joining the the Hindi Department of the University of Saugor as Assistant Professor in 1951 he taught until 1976 when he retired as Professor.Ram Ratan Bhatnagar  was actively engaged in writing books on literary critism and essays on current topics.Ram Ratan Bhatnagar was born on 14th January 1914 in the city of Rampur, Uttar Pradesh (India)
Edited sentence: After joining the Hindi Department of the University of Saugor as Assistant Professor in 1951 he taught until 1976 when he retired as Professor.Ram Ratan Bhatnagar  was actively engaged in writing books on literary criticism and essays on current topics.Ram Ratan Bhatnagar was born on 14 January 1914 in the city of Rampur, Uttar Pradesh (India)