India's consumer durables giant Videocon will roll out mobile telephone services from Chennai on August 15, Venugopal N Dhoot, chairman of the Videocon Industries, said on Wednesday. "We have got the spectrum in Chennai, and will roll out our mobile service from August 15 this year, and will later move to states like Karnataka, Kerala and Orissa," Dhoot said in New Delhi on the sidelines of an interactive session on "India Inc-Vision 2020".