Guwahati, the largest city in Assam, is the most popular metropolis in the north-eastern region of the country. In recent years, it has evolved as an important hub for education and commerce in the region. Guwahati receives non-stop flights from 10 cities including Aizawl, Agartala, Bangalore, Bagdogra, Silchar, New Delhi, Imphal, Mumbai, Dibrugarh and Kolkata. The airlines that operate to this destination are Air India, IndiGo, SpiceJet and Jet Airways. Lokpriya Gopinath Bordoloi International Airport, as it is popularly known, also serves as a base for the Indian Air Force.