Hello,

Your 12th board score is good. SSN College of engineering gives admission to students on the basis of merit. SSN is affiliated under anna university. so there is good chance to get admission through normal process. There is no need to go for management quota.

65% of seats are reserved to get filled up through single window counselling and  35% of seats is reserved for management quota admission from which 25 seats are reserved for students who performed best both in academics and sports and 25 seats are reserved for toppers of government rural schools of Tamil Nadu.

for more details, you can visit the official webpage of SSN chennai:-

https://www.ssn.edu.in/college-of-engineering/admissions-b-e-b-tech-admissions/

Hope it helps!