hey,

eligibility for CSIR NET 2020 is candidate must hold a degree in B.Tech/B.E/B.pharma /MBBS/BS (4years)/integrated BS-MS/M.Sc and candidate must have secured a minimum aggregate of 55 percent marks in their graduation and  c candidate belonging to SC/ST and persons with disability (PWD) need to score 50 percent marks in M.Sc or equivalent degree/integrated BS-MS/BS- (4 years)/BE/B.tech/B.pharma/MBBS, and candidate who have enrolled theirselves for M.Sc or have completed their graduation can also apply for the same under result awaited (RA) category but on one condition they will have to complete the qualifying degree with required marks within two years to get the fellowship from the effective date of award.

for more information you may refer to the link

https://competition.careers360.com/articles/csir-ugc-net

good luck!