Tamil Nadu

The IIT MADRAS is in TAMIL NADU. It was the third the oldest IIT established in 1959. You can check more facts and things about IIT MADRAS AT
https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://en.m.wikipedia.org/wiki/Indian_Institute_of_Technology_Madras&ved=0ahUKEwjy6-3sxtXbAhVTfH0KHRs1D

It's totally depends upon the counselling and even on your category you can check last year counselling and allotment of seats the students near by your rank where they stands.

First of all, choose a course which you want to be your destination course and then search for it. As you have very good marks in JEE paper 2, please visit the link below for your college prediction based on your rank:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=c

You can get a seat but you have to appear in counselling procedures which is 70% seats are filled through university-level counselling based on marks obtained in class 10+2 and rank obtained in JEE Mains. Selection parameter and weightage:
10+2 marks - 75%
JEE Mains - 25%
Remaining 30% seats are fill

Hi Dhamu,
The colleges you will get according to your score:-
1.PSG College of Technology, Coimbatore
2.University Departments of Anna University - CEG, Chennai
3.University of Madras, Chepauk
4.Sri Sivasubramaniya Nadar College of Engineering, Kancheepuram
5.University of Madras, Chepauk,
6.Thiagarajar Sc

Hi,
It is difficult to get admission in B.Com in Loyola College in 1st Cut off list with 80%. You can probably wait for the 2nd cut off for the admission.
All the best.