Dear NIkhil,

There are 20 NITs spread across India, in various states. The NITs  at Surathkal, Warangal, Trichirapalli, Calicut are among them. No NIT is exctly in metropolitan.

Check out the List of NITs :

•    Motilal Nehru National Institute of Technology, Allahabad (Uttar Pradesh)
•    Maulana Azad National Institute of Technology, Bhopal (Madhya Pradesh)
•    National Institute of Technology, Calicut (Kerala)
•    National Institute of Technology, Durgapur (West Bengal)
•    National Institute of Technology, Hamirpur (Himachal Pradesh)
•    Malviya National Institute of Technology, Jaipur (Rajasthan)
•    NDr. B R Ambedkar National Institute of Technology, Jalandhar (Punjab)
•    National Institute of Technology, Jamshedpur (Jharkhand)
•    National Institute of Technology, Kurukshetra (Haryana)
•    Visvesvaraya National Institute of Technology, Nagpur (Maharashtra)
•    National Institute of Technology, Patna (Bihar)
•    National Institute of Technology, Rourkela (Orissa)
•    National Institute of Technology, Silchar (Assam)
•    National Institute of Technology, Hazartbal, Srinagar (J & K)
•    National Institute of Technology, Surathkal (Karnataka)
•    Sardar Vallabhbhai National Institute of Technology, Surat (Gujarat)
•    National Institute of Technology, Tiruchirapalli (Tamil Nadu)
•    National Institute of Technology, Warangal (Andhra Pradesh)
•    National Institute of Technology(NIT),Raipur,Chhatisgarh
•    National Institute of Technology(NIT),Tripura,Agartala