Hello Bala ,

According to web results Here i find only 1 college offering Around Tamil nadu law college for LLB courses to collect average fees below 50,000 per one year that is  DR . Ambedkar Government Law College .

If you want more information about college like Courses offered , About college , Facilities , some facts and gallery go through this link you get some idea .

https://www.careers360.com/colleges/dr-ambedkar-government-law-college-chennai

I think this answer will help you lot .

All the best !!!!