Hello Sainath,

In SASTRA the admission is based on both your JEE main percentile as well as 12th board marks 25%weightage is given to JEE main percentile and remaining 75% is given to your 12th marks.The SASTRA rank will be calculated based on a formula((JEE main percentile *0.25)+(12th percentage*0.75)) and based on that rank you will be called for counselling based on the order of your merit.The application form can be filled online or you can also download and fill it.The application fee is Rs 650 for BTech courses.

For more details regarding the application process do refer the below link.

https://www.sastra.edu/adm2019/

Hope this helps.

All the best!!!