Hi

As per your question For IIT you've got to seem in JEE advanced and for NITs there are quite 18000 seats

in NITs in India so it depends upon your choice of stream that which NIT you get home state quota also

plays significant role here

In case of institutes travel by the Central Government,10% of the seats are reserved for Category

General-Economically Weaker Section(GEN-EWS), 15% of the seats are reserved for the category

Scheduled Caste (SC), 7.5% for the category Scheduled Tribe (ST) and 27% for the category Other

Backward Classes belonging.

Follow up with the link to the more information:

https://engineering.careers360.com/articles/jee-main-reservation-criteria/amp

https://jeemain.nta.nic.in/WebInfo/Handler/FileHandler.ashx?i=File&ii=256&iii=Y

https://design.careers360.com/exams/seat