Among the institutes mentioned, IIIT Allahabad is a better alternative for Bioinformatics. One of my friends was also going through this same situation a few years back and he chose IIIT Allahabad. His experience at the institute has been quite good over the past 4 years. 

The table shows a brief overview of the institutions.

Highlights: 

• IIIT Allahabad is a premier institute renowned for its IT branch. 
• Every year around 85% of students get settled with their dream jobs. 
• BI students also go for IT companies and get placed respectively. 
• Core Bioinformatics companies don't visit the campus usually, but product-based companies like Amazon, Directi, etc offer handsome packages. 

Overall, IIIT Allahabad is the potential choice as the faculty and infrastructure are good and all the previous year’s students have been placed with good packages.