Dear Student,

IIIT  ECE bangalore has newly established so i can not tell but the top IIITs are below

• Hyderabad
• Delhi
• Allahabad
• Bangalore

You can go with IIIT delhi because their curriculum is good for ECE students you will get to learn data structures and java language in 1st year and in 3rd year you will be learning more advanced topic.Its package is also more than IIIT hyderabad.You can read here the average package of ece stream

https://news.careers360.com/iiit-delhi-placement-2020-703-job-offers-for-376-students

You should also consider the total seats because at IIIT delhi there is some resrvation and seats is less so you can go with IIIT hyderabad also for ece stream as they also have good curriculum and focused on IT.