CORRECT answer is All India RadioAll India Radio (AIR) has been serving to inform, educate and entertain the masses since it's inception, truly living up to its motto – ‘Bahujan Hitaya: Bahujan Sukhaya’. The Prasar Bharati Board functions at the apex level ensuring FORMULATION and implementation of the policies of the ORGANIZATION and fulfillment of the mandate in terms of the Prasar Bharati Act, 1990. The Executive Member functions as the Chief Executive Officer (CEO) of the Corporation.All India Radio (Prasar Bharati) MARKETING offices located at Mumbai, New Delhi, Kolkata, Chennai, Bangalore, Thiruvananthapuram, Kochi, Hyderabad, Guwahati and Jallandhar, look after the marketing activities of both All India Radio and Doordarshan.It aims to provide information, education and entertainment, for promoting the WELFARE and happiness of the masses (Bahujana Hitaya Bahujana Sukhaya).The AIR is one of the largest public broadcasting organizations in the world.It has 414 stations in 23 languages and broadcasts in 179 dialects.