Hello aspirant,
There are three main government law colleges in Chennai:

1. Dr. Ambedkar Government Law College, Chennai: This is the oldest and most prestigious law college in Chennai.

2. Chennai Dr. Ambedkar Government Law College, Pattarai Perambudur, Thiruvallur Taluk & District: This is a newer government law college located in Perambudur.

3. Chennai Dr. Ambedkar Government Law College, Pudupakkam, Thiruporur Taluk, Chengalpattu District: Another newer government law college located in Pudupakkam.

I hope this information is helpful.