hello shiva!!
as i see you are from engineering stream, shiv nadar university admissions eligibility would be based on jee mains percentile and after that there would be shiv Nadar University Scholastic Aptitude Test (SNUSAT) and Academic Proficiency Test (APT) – A combined three hour test AND review of your application form in the final stage.

please go through the link for more details :

https://www.snuadmissions.com/admission_info_2019.php

thank you and all the best