Member (Finance) of Prasar Bharati D.P.S. Negi has said that the ‘Swachhata Hi Seva’ campaign is not only promoting cleanliness but is also increasing productivity. While presiding over the review meeting of officials of Doordarshan and Akashvani in Raipur yesterday, he said that by actively participating in this campaign under Prasar Bharati, Doordarshan, and Akashvani have not only improved their image as public broadcasters but have also earned revenue.