Which will be better CSE at IIIT Kota, Una, Sonepat, or CE at IIIT Bhubaneshwar?

IIIT Bhubaneshwar is the best among all the institutions that you have mentioned in the question. My brother graduated from IIIT Bhubaneshwar last year. All the other institutions are new IIITs. The first batches that passed out from these new IIITs were in 2018. Here are some of the reasons why you should choose IIIT Bhubaneshwar. 

Placements:

The placements at IIIT Bhubaneshwar are getting better every year. The placement report of batch 2020 is as follows.

• Microsoft offered the highest package of INR 44 LPA to a B.Tech CSE student.
• The second highest package of INR 30 LPA was offered by Amazon to a student from the CE department.

Course Structure: The course structure of IT, CSE, and CE are somewhat similar.

Your preference order should be CE or IT at IIIT Bhubaneshwar followed by CSE at IIIT Kota, Una or Sonepat.