Pune

You might have a chance if you have any reservation criteria else give it a try. You have very great chance to GET into this institute with this rank. Attend the counselling and choose your options appropriately. Try Shiksha college predictor for better analysis. You option college at best fee is in your hands NO MORE WAITING
undergraduation consultancy of all categories can be done here either in medical or engineering in any deemed university any branch in Tamil Nadu and medical admission all over INDIA
You can get concession on your university fee based on your board of intermediate marks and Mains marks/ranking.

I would suggest you should try PICT, if that's not achievable then you should opt for MIT. And in terms of placement it has lower than average.
As far as placements are concerned, PICT is having high rate of placement. Even MIT is good in terms of placements. You can even try for Sinhagad College of engineering for CS.

Top Automobile engineering colleges:
BITS Pilani
Lovely Professional University, Punjab
Delhi College of Engineering
PSG Technology Coimbatore
National Institute of Engineering, Mysore
BIT Ranchi
NSIT, New Delhi
College of Engineering, Pune
Jamia Millia Islamia, Delhi.

Balaji is good and then Indira. If you have good percentile try for PUMBA which is best among them and very economical.

Yes, you can get admission in MIT's architecture.

Yes, CMAT Score is accepted but you have to apply as a All India Candidate quota through DTE Process. And at this %ile you will easily get PUMBA.

With these marks in JEE Mains, you will not be able to get any Government Colleges in India. Go for the link below to find the Colleges on the basis of your MHTCET rank:
https://www.shiksha.com/b-tech/resources/mhcet-college-predictor
MHT-CET 2018 College Predictor - Shiksha. Com.