Hello Chandara

As you have mention that you want college for designing course.There are many best colleges for the course in Tamil Nadu:-

• National Institute Of Fashion Technology,Chennai
• Madras Institute Of Fashion Technology,Chennai
• P.S.G College Of Engineering,Coimbatore
• ICAT Design and Media College,Chennai
• Indian Institute of Textile Training,Tiruppur

I hope this Helps

Best Of Luck!