Hello student yes you can get admission in Sastra University without appearing in jee main. As sastra University offer admission of 30 percent of their total seats for B.tech through Class 12 marks and rest 70 percent of seats are through Jee main entrance examination.

ELIGIBILITY - Candidates must passed or appearing class 12 in physics chemistry and Mathematics with minimum 60 percent marks from a recognized board.

The application form for admission into Sastra University released on May 14,2022 and shall remain open till 31, July 2021.

For more details refer to the link mentioned below -

https://www.google.com/amp/s/engineering.careers360.com/articles/sastra-btech-admission/amp

Feel free to comment if you've any doubt

Good luck