Hey Sanjay,  

Some Top Private Colleges in Tamil Nadu offering Veterinary course are :

• Veterinary College and Research Institute, Namakkal 
• Madras Veterinary College, Chennai 
• Veterinary College and Research Institute - Orthanadu Campus, Pudukkottai
• Veterinary College and Research Institute - Tirunelveli Campus  Tirunelveli 
• Post Graduate Research Institute in Animal Sciences, Chennai 

Good Luck!