Acc. To placements which is better MIT wpu Cs / VIT instrumentation / VIT chemical / PCCOE mechanical / PCCOE entc
All of above colleges you provided are good enough and have great placements.
Well i am providing you with a link below which will help you to compare all of these colleges based on different parameters like ranking, placements, faculty and more -
Do visit the website for a cleara nd better idea before making a choice.
Hope this helps.