By Flight - Indira Gandhi International Airport serves as Delhi's domestic and international airport. The airport is well-connected to most of the cities in India and abroad. From Mumbai to Moscow or from Bangalore to Beijing, one can easily find flights for Delhi from any corner of the world. Domestic airlines such as Air India Regional, Jet Airways, SpiceJet, Jet Airways, IndiGo etc., as well as international airlines such as Air India, Air Canada, Air China, Air France, Etihad Airways, British Airways, etc. By Bus - Various national highways, namely NH1, NH2, NH8, NH 10 and NH24, pass through Delhi. A number of public and private transport services provide A/C and non-A/C buses daily, through numerous bus terminals, scattered throughout the city. Inter-state buses from most cities and towns in the neighbouring states, pass through Delhi. Inter State Bus Terminus (ISBT) at Kashmiri Gate, Anand Vihar Bus Terminus and Sarai Kale-Khan Bus Terminus, serve as major bus terminals in the city. Some of the private bus services in Delhi are City Land Travels, Laxmi Holidays, Ashok Travels, Hari Travels, etc. Delhi Transport Corporation also operates on many inter-state routes.By Train - Delhi serves as the headquarter of Northern Railway. There are five main stations in Delhi, namely Delhi Junction Railway Station, New Delhi Railway Station, Nizamuddin Railway Station, Anand Vihar Railway Terminal and Delhi Sarai Rohilla Railway Station. These stations have connectivity to most parts of the country and serve millions of passengers every day. Rajdhani Express and Shatabdi Express are some of the superfast trains operating in Delhi.