IBS has various campuses all over the nation and I would segment these in 3 categories.

1. IBS Hyderabad- It has the maximum fee, batch size, placements and the best infrastructure. If fee and ROI is not a problem for you, then Hyderabad campus is the best to go for. 

2. IBS Mumbai, Pune, Gurgaon and Bangalore- These campus rank 2,3,4 and respectively as per my experience. You can go as per your comfort and location preference. Mumbai campus can get you a better finance palcement whereas Gurgaon one will be better in Marketing. Rest is your location Preference.

3. rest of the campuses like Kolkata, Ahmedabad and more anren't upto the mark and you shall go if you really wanna do MBA/PGDM this year and have no other decent option left.