1. If you are very keen on EEE, and want to join the monkey wagon with a good job, take roorkee EEE.
2. If you are fascinated by space and physics in general and wont mind not getting high paying job after UG and will take up higher studies, aero in KGP.
3. If you have no particular interest, and dont mind any engg go for Chemical. Chemical is NOT RELATED TO CHEMISTRY at all. Moreover, you broaden your scope like hell, job scope and higher studies scope.