IIM Trichy, Ranchi, Raipur, Udaipur, Kashipur, and Rohtak are way ahead of SIOM and SIBM-B. The average package at these new IIMs is greater than INR 11 LPA whereas the lowest packages at these institutes are around INR 6.5-7.5 LPA. You will be astonished to know that the lowest package at these IIMs is almost equal to the average package at SIOM and SIBM-B.
Moreover, IIMs is in itself a brand and therefore promises better growth. This is the reason that these new IIMs despite their early establishment are at par with SIBM-Pune and SCMHRD.