Kolkata, March 19 -- According to a new report by Kotak Institutional Equities, various network performance tests have suggested improvement in Bharti Airtel average speeds, consistent speeds for R-Jio and deterioration for Vodafone Idea. "We believe network experience will overtake pricing as the primary driver of incremental LTE subs and usage share and to that extent, we are impressed with the consistent, slow as it may be, improvement for Bharti. VIL's spectrum consolidation is yet to reflect in improved network performance, even in some of their focus markets," the report said. TRAI has commissioned independent drive tests in 69 cities and towns thus far covering a population of around 150 million suggested that Sunil Mittal led Bharti...