Which are the best MBA exams that I should write to get admission in the best MBA colleges? I'm from Karnataka.

Some of the important MBA entrance exams a candidate could give to get admission into a top-ranked, prestigious B-school are CAT GMAT XAT NMAT, CMAT CET, SNAP TISSNET MAT and IBSAT. You can give any of these, as per your convenience and the dream B-school you wish to get into. https://www.shiksha.co

CAT is one the exams that you should write to get admission in best MBA colleges and for that, your percentile should be more above 75%, after that, you will get admission in best the MBA colleges of India.