Tamil Nadu

Hello kishore,
Loyola College is co-ed for all post graduate courses and for French, viscom and BMM it is coed in UG.
For the other UG courses, it is not co-ed and it is for only boys.
You may also refer:
http://www.loyolacollege.edu/admission/adwomanstudents.php

Candidates applying to the University's PG courses should have cleared 10+2 or equivalent exam from a recognized Board and must hold a Bachelors degree from a recognized University/College. The candidate must have secured a minimum of 50% marks in the qualifying exam. Candidates belonging to SC/ST categories should have obtained a minimum of 45% marks.

Madras Christian College is one of the old college in Asia and known for his best education since long time. Madras Christian College awarded A grade by NAAC fir excellence in education. college has best and experienced faculty which helps student for overall development of student. Many Top personality are the alumni from this college. For more details about the college visit the college website.
https://www.shiksha.com/college/madras-christian-college-tambaram-sanatorium-chennai-5946

Hi Kiran,
I would suggest you to go for BITS Pilani if you get an offer as it is one of the best engineering college of India and way above of VIT, Vellore.
All the best.

Not possible. However, you can take fresh admission in Andhra Pradesh college. You will lose one year.