Business Standard magazine: Indian Management Cover Story titled "The Spectrum Auction: Survival of the richest?" (January 2015 edition) The article provides analysis on the Telecom Spectrum auction planned in March 2015: Key players (Incumbents, Challengers, New entrants and spectators) contending for the valuable spectrum bands to offer varied services i.e. 2G, 3G or 4G (considering a technology neutral auction). Impact of the present auction on existing customers (83% of the subscribers who contributes 77% of the overall revenue) as the license to serve the customer comes to an expiry (across 17 out of 22 telecom Circles) for the incumbent operators namely Airtel, Vodafone, Idea and Reliance.