IIM

You are eligible to give CAT exams which will further decide whether you make into IIM or not. CAT exam is the 1st screening step to get into the IIM. To write CAT exam the minimum eligibility criteria is 50% and above in graduation, 12th and 10th. So yes you are eligible to write CAT exam and depending upon the scores you get in this exam you have to apply into the Iims of your choice and score for further selection process.

Undergrad college matter for selection IIMs and FMS but not a single criteria. It more depend on 10th, 12th, graduation Mark's, achievements and test score, etc. It also depends a lot on GD /PI score. IIM, XLRI, FMS are not the end there are many good B-schools.

Selection in IIM depend on 10th, 12th, graduation, achievements, test score. It is good to study commerce, business or economics at school and college level but not necessary. There is no such best college at 11th and 12 th which can help to get into IIM s but one should try to get into best.

Hello Pooja Amarnath,
Yes, you need to complete your graduation first to appear for CAT exam. It's good that you have planned in advance. Just start preparing for CAT from your second year at B.Com. Effective preparation will pave way for a great percentile and of course will fulfill your dream. Check out Thiagarajar School of Management, Madurai too. It's a renowned B-School in South India with great campus, vibrant faculty team and excellent placements. Feel free to approach me for more information. All the best !!
Vignesh B
Campus Brand Ambassador - MBA/PGDM
http://tsm.ac.in/admissions/

72 percentile minimum.