Dear Prasath,

Both are decent colleges in terms of teaching and placements. 

You should try to get into good colleges to get good placements. 

You can check the top private colleges in Tamil Nadu below for engineering

PSG College of Technology, Coimbatore

Thiagarajar College of Engineering, Madurai

SSN College of Engineering, Kalavakkam

Sathyabama University, Chennai

To know the complete list you can refer below link

https://engineering.careers360.com/colleges/list-of-private-engineering-colleges-in-tamil-nadu

Good Luck!!