Hello,

Tancet examination is Tamilnadu common entrance test for masters degree. You got 85% which is good and yes you will get the MCA college in Chennai. But which college you will get it's quite difficult to predict. But you go for counselling. Also you can apply private college with your tancet rank. They will take your admission there. I'll provide you a link below you can check it for more details about the college

https://it.careers360.com/colleges/list-of-mca-colleges-in-chennai

All the best.