Hello Meeran,

Hope you are doing good. There are many good Architecture colleges in Tamil Nadu. Some of the top ones are:

• NIT Trichy - National Institute of Technology Tiruchirappalli
• Anna University, Chennai
• VIT Vellore - Vellore Institute of Technology
• SRM University Chennai - SRM Institute of Science and Technology
• Sathyabama University - Sathyabama Institute of Science and Technology
• HITS Chennai
• Bharath Institute of Higher Education and Research, Chennai
• Karpagam Academy of Higher Education, Coimbatore

There are many more great architecture colleges in Tamil Nadu. For a detailed list of the same, visit: https://engineering.careers360.com/colleges/list-of-b-arch-colleges-in-tamil-nadu

Hope this helps.