DD National is a state-owned general entertainment television channel in India. It is also called Doordarshan. It is the flagship channel of Doordarshan, India's public service broadcaster, and the most widely available terrestrial television channel in India.
DD National channel is the largest terrestrial network in the world covering about 92% population and 81% land area of the country. Being a Public Service Broadcaster the channel continues to make significant contribution to accelerate socio-economic changes, promote national integration, inculcate a sense of unity and fraternity and stimulate scientific temperament among the people.