Electronics and Instrumentation at BITS Pilani and Electronics and Communication at MNNIT Allahabad both are good choices. Also, BITS Pilani and MNNIT are reputed institutes. So, you should choose either of these two options based on your interest.
I have few friends at BITS, s I can give you some idea about their ENI branch.
For further information or so you can definitely visit the official sites of both the colleges. You can also visit their Facebook pages, where you will be able to find seniors from these branches who can give you more information regarding the branches.