Hello aspirant!!

Without appearing for JEE Mains you won't be getting few colleges like NITs and IIITs. Don't worry the rest of the colleges you should appear for state level entrance exams or university entrance exams or some colleges give admission through 12th class marks.

Go through the below link to know which colleges offers admission on the basis of 12th class marks.

https://engineering.careers360.com/articles/btech-admissions-on-basis-of-class-12th/amp

Hope this was helpful :)

Good Luck!!

Thank you.