DD National

The channel began broadcast on an experimental basis on September 15, 1959 from a makeshift studio at Akashvani Bhavan in New Delhi as part of All India Radio. It started with 20 TV receivers in and around Delhi and transmitted one hour educational and developmental programs twice a week. Regular daily transmission started in 1965.
In 1976, the Indian government constituted Doordarshan, the public television broadcaster, as a separate Department under the Ministry of Information and Broadcasting.
Its symbol resembles with Angara,Gondwana and Sea of early timing of earth formation.