DD Bangla is an Indian Bengali-language free-to-air state-owned television channel owned by state-owned broadcaster Doordarshan Network. It was formerly known as DD-7 and DD National Kolkata. It broadcasts from Kolkata, Shantiniketan and Jalpaiguri. Launched on 9 August 1975, the network's programming consists of soap operas, infotainment series, news and current affairs, social programs and films in Bengali. It is available to 97.1% of the population of West Bengal on terrestrial television.