IIT kgp microwave is better if you are interested in research.

IIT Dhanbad placement statistics is not good for electronics people

There are very less chance  of getting VLSI in IIT KGP.

As per your score and previous year cutoff, the colleges you get  are:-

IIT Kharagpur   RF and Microwave Engineering

IIT Kharagpur   Telecommunication Systems Engineering

IIT Kharagpur   Wireless Communications and Networks

To know more about your chances of getting other colleges check out the PSU/college predictor link below:

https://engineering.careers360.com/gate-college-predictor