First of all, IIMA and IIMB are among the top most B-schools in the country. According to the NIRF ranking, IIMA has ben ranked first while IIMB has been ranked second in the management category. Both IIMB and IIMA come under the top 200 global rankings , and if we go placement wise then both these IIMs have the best packages for students. So they are both equally good and one cannot say that one is better than the other.