Hello..

Admission in to SASTRA University is done by two streams one by JEE mains and other by 10+2. So, you need to have good score in twelfth board results, your class 10 marks don't Matter too much here now. If there are CGPA in your board then this is very good score.

For more information about this:

https://engineering.careers360.com/articles/sastra-btech-admission.

Hope this is helpful