Hey!
These are the top colleges in Tamil Nadu for MCA that accept TANCET:

1. Anna University, Chennai
2. Thiagarajar College of Engineering, Madurai
3. University of Madras, Chennai
4. Mepco Schlenk Engineering college, Sivakasi
5. Loyola College, Chennai

To know the best colleges for you, you can use the below mentioned college predictor:

https://it.careers360.com/tancet-mca-college-predictor

Hope this answer helps!