Reliance Communications Ltd. (RCOM) is an Indian Internet access and telecommunications  company headquartered in Navi Mumbai, India. It provides CDMA (CDMA2000, 1xRTT, EV-DO), GSM (Voice, 2G, 3G) mobile services, fixed line broadband and voice services, DTH depending upon the areas of operation. Reliance Communications is the fourth largest telecom operator in India with 109.90 million subscribers as of June 2015. Established in 2002, it is a subsidiary of Reliance Anil Dhirubhai Ambani Group. Reliance Communication IT Support is provided by Reliance Tech Services and Telecom network is maintained and operated by Ericsson, transmission towers are maintained by its subsidiary Reliance Infratel.