Hi Aspirant!
It is definitely good to take VIT Vellore because it has a good ranking of 28 which is even above from many NITs.But there is one thing to note that their is big fee difference and as it is private there is more strictness there to mantain there reputation but these all things do not matter if you will get good package in the end.

Hence I will recommend that you should opt ECE in VIT VELLORE.But at the end the choice is yours.You can check careers360 article to know more about VIT Vellore:

https://www.careers360.com/university/vellore-institute-of-technology-vellore

Happy Hustling.