Hello,

Reservaton in JEE main is done on the basis of category only.

categories are Common Rank List,

General-EWS

OBC-NCL

ST

SC

PwD

cutoff for different categories depends on various factors. You can see 2019 cutoff marks for reference:

for general - 81

obc-ncl - 49

st-27

sc-32

pwd-01

Hope It helped !

hello aspirant.

you need to understand the quota and category. in jee main 4 types of category of participants. 

general, st, sc, and obc. as per the government rules sc, st, and obc has specific quota.

right now ews quota are introduced for general category. 10% of seats are reserved for candidates whose family income in under 8 lakhs.

for female candidate some institute has 5% reservation for single girl child quota.

now coming to nits. nits has two quota

home state candidate

other state candidate

and in all government colleges there are pwd quota also.

hope you understand.