RGIPT IDD is a relatively new institute in comparison to IISER Bhopal which is more established. RGIPT IDD has gained popularity because of its quality of education. 

• The RGIPT curriculum focuses on cutting-edge fields like artificial intelligence and machine learning whereas the IISER Bhopal curriculum gives students a broad foundation in the natural sciences.
• RGIPT has strong industry ties, so its graduates receive great job opportunities after graduation. at the same time, most IISER students pursue a Ph.D. or a career in research.
• IISER Bhopal is older than RGIPT and hence more established.

Ultimately, the ‘better’ institute for you depends on your own interests and goals. If you are willing to pursue a career in applied fields such as artificial intelligence or machine learning, then RGIPT IDD is great for you but if you want a career in research or academia, then IISER Bhopal may be a better choice.