Hi Ayush,

The best government medical colleges in Tamil Nadu for pursuing a PG course are listed below:-

• Madras Medical College, Chennai
• Stanley Medical College, Chennai
• Coimbatore Medical College, Coimbatore
• Government Kilpauk Medical College, Chennai
• Government Dharamapuri Medical College, Dharmapuri
• Madurai Medical College, Madurai
• Thanjavur Medical College, Thanjavur
• Government Mohan Kumaramangalam Medical College, Salem
• Chengalpattu Medical College, Chengalpattu
• Theni Medical College, Theni
• Government Villupuram Medical College, Villupuram
• Kanyakumari Government Medical College, Asaripallam

You may refer to this link for more information about Government Medical Colleges in Tamil Nadu for PG.

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!