1. The academic eligibility for CSIR-NET is given below:-
BS-4 years programme/BE/B. Tech/B. Pharma/MBBS/Integrated BS-MS/M.Sc. or equivalent degree with at least 55% marks for General & OBC (50% for SC/ST candidates, Physically and Visually handicapped candidates). Candidates enrolled for M.Sc. after having completed 10+2+3 years of the above qualifying examination are also eligible to apply.
2. The age specification is indicated below:-
(a) For JRF (NET): Maximum 28 years (upper age limit may be relaxed up to 5 years in case of candidates belonging to SC/ST/OBC, Physically handicapped/Visually handicapped and female applicants).
(b) For Lectureship (NET): No upper age limit.
So, if you are pursuing M.Sc. from a UGC-recognised University, you are eligible to appear in CSIR-NET. For JRF. A female candidate is eligible to apply for JRF upto 33 years of age.
If you mention the name of your University, it can be checked whether it is UGC-recognised, or not.
Beware! I question everything and everybody.