MBA Entrance Exam

As an OBC category student to get calls from top Iims like IIM A, B, and C you need to have above 98+ percentile. For other old Iims like IIM K, L, and I.You need to have above 95+ percentile and 97+ to increase the probability of your conversion.

Yes, you can get into IIMs. However old IIMs are going to be difficult, you can definitely aim for new and baby IIMs.
You need to score high in CAT.
You should also sit for other exams like IIFT XAT SNAP etc.

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Career launcher CAT study material is among the most reliable and trusted among CAT and MBA Entrance aspirants. Besides 24 into 7 access to all our study material, you can also get your queries promptly and satisfactorily answered by the CL academic team via email.

I think career launcher is best. Coaching aspirants for diverse national and regional examinations are their highly respected and competent faculty, which includes a number of IIT-IIM alumni. All of their programs are designed to nurture students anew and systematically prepare them to pursue their ambitions. Along with comprehensive course material and specialized classroom programs, this CAT Coaching in Kanpur offers its students an online platform, allowing them an opportunity to clear doubts at their convenience.

Endeavour Careers
Since its inception in 2005, Endeavor Careers has achieved great success in turning aspirants' dreams into reality. Led by an accomplished team of alumni from the best Business schools, it has 20 centers across 16 cities. They began with a mere 50 students and today boast of successfully training as many as 75,000 students. Personalized attention is given to each student, helping them shape their aptitude and inspire confidence in them to take on the competition.

https://ask.shiksha.com/how-to-get-riim-through-dte-cap-rounds-and-what-is-the-fee-structure-if-i-get-admission-though-mah-mba-cet-qna-6236949
You will find all the true and authentic information about your college here. You can apply in to three colleges of you fall under the cutoff

https://www.shiksha.com/college/department-of-management-sciences-Pune-university-pumba-ganeshkhind-30895
You will find all the true and authentic information about your college here. cmat only gurantees admission if you have very good marks in the exam

https://www.shiksha.com/college/t-a-pai-management-institute-tapmi-manipal-24429
You will find all the true and authentic information about your college here. You have pretty good changes of getting a call

https://www.shiksha.com/university/guru-gobind-singh-indraprastha-university-Delhi-24725
You will find all the true and authentic information about your college here.the forms are already out