Hello Prasannaa,

YES , you can get admission in SSN through JEE Mains percentile. You just need to qualify the JEE Mains cutoff as per your category to get admission in any college that accepts JEE Mains score. Below I have listed 2019 JEE Mains cutoff category wise -

• CRL (Common Rank List) : 89.75
• GEN-EWS : 78.21
• OBC-NCL : 74.31
• SC : 54.01
• ST : 44.33
• PwD : 0.11 

You can also go through this link and checkout the details about SSN College of Engineering : https://www.careers360.com/colleges/sri-sivasubramaniya-nadar-college-of-engineering-kalavakkam

Also, I have listed below the list of B.E/B.Tech programmes offered by SSN College of Engineering -

• B.E. Computer Scienece & Engineering
• B.E. Electronics & Communication Engineering
• B.E. Electrical & Electronics
• B.E. Mechanical Engineering
• B.E. Civil Engineering 
• B.E. Mechanical Engineering
• B.Tech Information Technology
• B.Tech Chemical Engineering

Hope that you get your choice of branch and college . Good Luck !!!