Delhi Tourism and Transportation Development Corporation (DTTDC) offers a wide range of travel services. It was incorporated in 1975 as an undertaking of the Government of Delhi. The office of DTTDC is situated in Defence Colony
, New Delhi
Services of the Delhi Tourism and Transportation Development Corporation include tourist assistance, hotel reservation, adventure activities, travel bureaus, innovative package tours and guided city sight seeing tours.
Training and short term courses based on travel and tourism are conducted at the Indian Institute of Tourism and Travel Management.
Delhi Tourism organizes festivals suh as the Garden Tourism Festival, Qutub Festival, Roshnara and Shalimar Bagh Festival, Mango Festival (in the month of July.) These festivals reflect the cultural diversity and splendour of the one time imperial capital of India.