For decades, All India Radio or Akashvani, India's national broadcaster, has been 'the sound of India'. Be it Jawaharlal Nehru's iconic 'Tryst with Destiny' speech, shows such as Binaca Geetmala, cricket matches, movies or, more recently, Prime Minister Narendra Modi's Mann ki Baat, AIR has been and continues to be the primary source for programmes on news, entertainment and knowledge for many Indians. But there are innumerable fascinating stories associated with the radio channel itself.