There are some topmost colleges for colleges which are IIM A,IIM B,IIM C etc and then comes tire-1 which also includes second level of topmost colleges like IIM ranchi, TISS_HR,SIBM, IIM S, IIM T, NMIMS M,IIM I ,IIFT D,K IIM K ,IIT D.KGP,JBIMS...These are the colleges in tier-1. the colleges which are in top list and cloud-1,2,3 offer the best placements and if you want to apply for low budget MBA ,i would recoomend you to go for these colleges as there is a system of educational loan in these colleges which you can repay after you are placed and also these colleges give 100% placement so there is no worry of repaying of the loans. In this way you can do MBA in topmost college and by paying through loan.