hi,

I assume you are asking about admission process of btech course, see there is no separate entrance exam conducts by niet, 85% seat of niet is fills by upsee entrance test. remaining 15% seat is filled by the score of qualifying exam, where students can directly apply in niet, based on their qualifying marks i.e 10+2 score admission is done. you may follow the below link to know about upsee syllabus,

https://engineering.careers360.com/articles/upsee-syllabus