I believe you should prefer Mechanical at MANIT Bhopal or Chemical at VNIT Nagpur over CBIT Hyderabad. Both are excellent and old technical institutes with good infrastructure, faculty, research facilities, placements and outlook. However NIT Nagpur has a slight locational advantage over MANIT Bhopal being located near Industrial hubs at Pune, Pimpri Chinchwad and Mumbai. You may plan accordingly, in case you dont have any particular choice between Mechanical and Chemical either choose the Institute at vicinity to your hometown, otherwise choose NIT Nagpur over MANIT.
For more information and placement information about VNIT Nagpur do follow the link below
https://www.careers360.com/university/visvesvaraya-national-institute-of-technology-nagpur
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