Hello Amarnath, 

Sastra thanjavur college takes admission through two procedures. First, the cadidate jee main marks will be given weightage of 25% and 12th result will be given weightage of 75%, by this procedure 70% seats are filled. In second procedure the college consider total matriculation method, means 100% weightage is given to 12th board exams, this is done for filling 30% of seats. So, you have chances of getting admission in this college as you have scored good in your 12th exam. All the best 

Thank you