Airtel has underperformed Vodafone and Idea in all the eight circles (except West Bengal where it did better than Vodafone) where it went head-to-head on 3G with either Vodafone or Idea.
Airtel analysis of 3G/non-3G RMS performance between 2010 and 2014Overall Airtel has lost 105 bps of RMS in the last 4 years