The JRF or junior research fellow is a letter awarded by the University grants commission (UGC) to the candidates who qualify in the National eligibility test securing marks equal/higher than the set cut off for JRF in the particular subject in which the candidate has given the UGC NET exam. The target of the JRF is to give chances to NET-JRF qualified students to go for advanced studies and examination prompting M.Phil. Or PhD certificates in Humanities and social science and also languages and sciences.
UGC-NET
https://manipal.edu/mit/program-list/btech/btech-computer-science-engineering.html
etc. and all colleges in India offer courses and students can choose the best colleges for their particular subject.