Applicants with minimum of 55% marks from UGC-recognized universities/institutions or equivalents are eligible to apply for UGC NET 2021. If you have aggregate marks in Master with less than 55% then you aren't eligible.

You can visit the link below to know more about UGC NET 2021:

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

I hope this answer helps. All the very best for your future endeavors!