MNNIT is much more famous than IIIT Allahabad. None of my relatives have heard of IIIT Allahabad. Should I join MNNIT IT instead of IT at IIIT A just because it's not so famous and less enjoyable?

An institute should not be judged according to its popularity. Among the above two options, IT in IIIT Allahabad is a much better choice, considering the infrastructure, faculty, and overall environment in IIIT Allahabad. The table below gives a brief level of comparison among the two institutes.

Key Highlights - IIIT Allahabad: 

• IIIT Allahabad has the modern-day infrastructure, along with top-notch faculty and a great learning environment for IT.
• The coding culture in IIIT Allahabad is quite well established and is evident from the ranks in different coding competitions and hackathons.

Considering all the above factors and the placement scenario of IT in IIIT Allahabad, it is definitely a better choice than MNNIT. Even being a newer institute, IIIT Allahabad should always be preferred over MNNIT.