Which branch is better: CSE, ECE or EEE?

It's depend on interested.

Among ECE, EEE and CSE, deciding which one is better depends on the person's interest. Both are equally good. If you love coding and stuff, then it'll be better to choose CSE, and if you love more of circuits and robotics, then choose ECE/EEE. Between ECE and CSE, there are higher chances of CSE get

It totally depends on your interest. But if you do not have interest in any particular field, I would suggest you go with CSE.

It totally depends on your choice. It's you who should have to decide which branch you should opt for, and EEE branch is available in old colleges or basically in IITs.