Hello !

There are many good entrance exams , but the best one is TANCET from which you can get admission in good colleges in Tamil Nadu to pursue MCA.

Some of the colleges which accept TANCET are :

1. CIT Coimbatore - Coimbatore Institute Of Technology
2. PSG College of Technology - PSGCT
3. CEG - College of Engineering Guindy, Anna University
4. Hindusthan College of Engineering and Technology
5. KCG College of Technology

Hope it helps !