Idea Cellular has maintained its track record of being the fastest growing operator in the world\u2019s fastest growing market by recording a year over year (YoY) Revenue Market Share (RMS) growth of 1.6% in Q4FY15 and 1.3% in FY15, as per the financial report released by TRAI recently. In Q4FY15, when the industry revenue grew at just 10.5% YoY, Idea witnessed a growth of 21%, the highest amongst all operators in India. The company\u2019s YoY gross revenue growth was nearly 20% in FY15, as against 10.8% of the total industry revenue growth \u2013 the highest amongst all pan-India operators. Idea\u2019s strong growth in RMS was driven by a nearly 30% increase in Incremental Revenue Market Share (IRMS) in FY15 on a YoY basis. The company witnessed the highest growth in RMS in most of its leadership and profitable circles, in addition to increasing its market share in the new and emerging markets where Idea was a late entrant.