Hi Saravanan,

1. For majority colleges NEET is applicable for admission for Veterinary course.

2. Cutoff is around 300 marks, to remain safe you have to score more than 300 marks for UR category.

3. Government Veterinary Colleges in Tamil Nadu are as follows:-

• Madras Veterinary College, Chennai
• Tamil Nadu Veterinary and Animal Sciences University, Chennai
• Alagappa University, Karaikudi
• Post Graduate Research Institute in Animal Sciences, Kattupakkam

You may refer to this link for more information about Veterinary Science Colleges in Tamil Nadu.

I hope this information helps you.

Good Luck!