Air : Delhi has an extensive network of international and domestic flights. All the major airlines in the world fly through Delhi , and it is easily accessible from anywhere in the world. Domestic air links cover Delhi from all the major cities in the country. Train : Trains run from all the parts of the country to Delhi . For nearby places like Chandigarh , Dehradun, Gwalior , Bhopal , Lucknow and Kanpur , the Shatabdi Express is recommended. Bus : Buses from all the major places in Uttar Pradesh, Punjab , Haryana, Himachal Pradesh, Madhya Pradesh and Rajasthan are available for getting to Delhi . During the summer months, air-conditioned coaches are recommended.