The 11 circles where Idea won 2100 MHz 3G spectrum in 2010 contributed 78% of its revenues in Sep 2010; the same came down to 73% in Sep 2014 on the back of Idea growing faster in its non-3G circles. With Delhi, where the company won 900 MHz spectrum in the Feb 2014 auctions, 3G coverage goes back to 79% of revenues. Among the private operators, Idea continues to cover the highest proportion of its own revenues with 3G.
Idea cellular - analysis of 3G/non-3G revenue market share 
Overall, Idea Cellular has gained the highest Revenue Market Share in the last 4 years
