when was all india radio renamed as akashvani
All India Radio All India Radio (AIR), officially known since 1956 as Ākāshvāṇī ("Voice from the Sky") is the national public radio broadcaster of India and a division of Prasar Bharati. Established in 1930,[2] it is the sister service of Prasar Bharati's Doordarshan, an Indian national public television broadcaster. Its headquarters are in the Akashvani Bhavan building in New Delhi. Akashvani Bhavan houses the Drama Section, the FM Section, and the National Service, and is also home to the Indian television station Doordarshan Kendra, (Delhi).