Firstly you should choose stream on the basis of your interest not on placements and colleges,

Both the colleges being in North India, you will find them head to head on numerous occasions- fests, national level competitions, placements etc.

There will be times when you will interact with each other for assistance, compete against one another.

NIT Kurukshetra may have a slight advantage given the location being closer to Delhi. Also, in terms of placements NITKKR performs slightly better .

However it will depend a lot on which stream you are wanting, your domicile advantage and your personal preferences.

Do check out our JEE Main Rank predictor-