Hello,
You can go for some good private engineering colleges in Tamil Nadu where you can get a good scholarship based on your 12 th marks. These colleges also organise their own entrance exams which are quite easy as compared to JEE mains.
Some of them are

• SRM University, Chennai
• PSG College of Technology, Coimbatore
• VIT, Vellore
• Amrita school of Engineering, Coimbatore
• Kumuraguru college of Technology, Coimbatore

Please visit this link for more such colleges
https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/colleges/list-of-private-engineering-colleges-in-tamil-nadu&ved=2ahUKEwjHsrGcs9vpAhXOfH0KHXBpCy8QFjAEegQIAxAC&usg=AOvVaw0s_-8jQ0Lv-DJ9Nm_K-5hc

Hope it helps

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