Broadcasts provide real-time information and some, that broadcast 24hours a day can provide the most recent updates to listeners. In India, broadcasting was introduced through radio clubs in Calcutta, Madras, Bombay and Lahore. Times of India, the first radio broadcasts in India was transmitted from the roof of its building in August 1920. The government-coin controlled radio set up was known as the Indian State Broadcasting Service (ISBS), which was later converted to All India Radio (AIR ). All India Radio dominated broadcasting since 1936 but currently, privatization has allowed commercial, privately-owned talk and music stations to cater to large audiences.