Hii student,

Sastra college admission depends on both  your 12th percentage and your JEE marks and is calculated by the following formula

[12th percentage * 0.75+jee main mark * 0.25]. A merit list is prepared on this basis and candidates are are offered to take admission in various engineering programs.You can check other details for it at https://www.careers360.com/university/shanmugha-arts-science-technology-research-and-academy-thanjavur/amp

Hope it helps!!