This depends on the stream that you are currently pursuing your PG in, Gowtham. For example, if you are pursuing M.Tech, you can appear for GATE. If you are pursuing M.Sc in any stream like Science, Computers, Technology, Arts and Commerce, you can appear for UGC NET which is an entrance examination for positions like Assistant Professor of Junior Research Fellow. So please do help us with your stream and we shall help you with the relevant information.