Hello!Richa

Here are list of some best private engg college in Chennai:

Amrita school of engg.

PSG College of Techology

SRM Institute of science and technology

VIT Vellore.

For more visit below mention link:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/colleges/ranking/top-private-engineering-colleges-in-tamil-nadu&ved=2ahUKEwi_rZne56vhAhXKVisKHTDiA0kQFjAAegQIAxAB&usg=AOvVaw1GtUVMWTyzdVJc9nRjRlkF.

GOod luck!