Hi,

Csir 4 subject k liye exam conduct karwata hai

Chemical science

BiologiCal science

Mathematical science

And earth science.

App PCB  subject me se kisi bhi subject se msc kar ke csir net ka exam de saktr hain.

Agar aap physics se msc karte ho to aapko csir net physical science ka exam ke liye eligible  honge

Agar aap maths se msc karte ho to apko csir net exam mathematical science ke liye apply karne ke liye eligible honge.

Aur agar aap chemistry se msc karte ho to chemical science and biology se msc karte ho to csirnet biological science k liye aap eligible honge.