CSIR offers Junior and Senior Research Fellowships (JRFs and SRFs) to enable students to pursue a Ph.D. degree. Students in the science disciplines can qualify for these fellowships via the CSIR examinations, these are national examinations held twice a year and are announced in all the major newspapers including Employment News. Engineering students having B.Tech/B.E. can pursure "direct Ph.D" if they have qualified GATE / NET Engineering.
In order to pursue research at NCL as a doctoral student, you need to 1) Qualify for fellowships/ scholarships from the CSIR/ UGC/ DBT/ ICMR/ GATE and 2) decide a subject and find a research advisor of interest to you. For admission to the Ph.D. programme, NCL invites applications twice a year normally after the result of CSIR - UGC Net examination. Before registering for Ph.D degree the student has to undergo a rigorous course work.