Indira Gandhi International Airport, situated to the southwest of Delhi, is the main gateway for the city's domestic and international civilian air traffic. In 2012–13, the airport was used by more than 35 million passengers, making it one of the busiest airports in South Asia. Terminal 3, which cost ₹96.8 billion (US$1.4 billion) to construct between 2007 and 2010, handles an additional 37 million passengers annually.
In 2010, Indira Gandhi International Airport (IGIA) was conferred the fourth best airport award in the world in the 15–25 million category, and Best Improved Airport in the Asia-Pacific Region by Airports Council International. The airport was rated as the Best airport in the world in the 25–40 million passengers category in 2015, by Airports Council International. Delhi Airport also bags two awards for The Best Airport in Central Asia/India and Best Airport Staff in Central Asia/India at the Skytrax World Airport Awards 2015.
New Delhi has one of India's largest bus transport systems. Buses are operated by the state-owned Delhi Transport Corporation (DTC), which owns largest fleet of compressed natural gas (CNG)-fueled buses in the world. Personal vehicles especially cars also form a major chunk of vehicles plying on New Delhi roads. New Delhi has the highest number of registered cars compared to any other metropolitan city in India. Taxis and Auto Rickshaws also ply on New Delhi roads in large numbers. New Delhi has one of the highest road density in India and average vehicle speed is around 15-20 kmph in peak hours in the city.
New Delhi is a major junction in the Indian railway network and is the headquarters of the Northern Railway. The five main railway stations are New Delhi railway station, Old Delhi, Nizamuddin Railway Station, Anand Vihar Railway Terminal and Sarai Rohilla.
Delhi Metro Rail Network
The Delhi Metro, a mass rapid transit system built and operated by Delhi Metro Rail Corporation (DMRC), serves many parts of Delhi and the neighbouring cities Faridabad, Gurgaon, Noida and Ghaziabad. As of December 2016, the metro consists of six operational lines with a total length of 213 km (132 mi) and 160 stations. Several other lines are under construction and expected to be commissioned in 2017 adding another 150 km length. It carries almost 3 million passengers every day. In addition to the Delhi Metro, a suburban railway, the Delhi Suburban Railway exists.
Radio Taxis are available for local commuting as well as long distance purposes. Hiring a cab in Delhi allow you to get the cab number and driver's mobile number as well.
The radio taxis are fitted with GPRS technology, digital fare meters and thermal printers for issuing bill/receipt etc. The billing is done on a per kilometre basis from point to point. Radio cabs are available 24x7 in Delhi.
A few leading radio taxi operators numbers:
Easy Cab: 91-11-43434343
Meru Cabs: 91-11-44224422
Mega cab: 91-11-41414141