India, May 14 -- Mukesh Ambani owned Reliance Jio topped the 4G speed chart with data download rate of 20.1 megabit per second (Mbps) in April 2021, according to the latest report released by the Telecom Regulatory Authority of India (TRAI). Jio's data download speed was almost three times higher than Vodafone, which was at the second spot with 6.7 Mbps speed.

Though Vodafone and Idea Cellular had merged their mobile business as Vodafone Idea (now known as VI) in 2018, the TRAI report has recorded their data download speeds individually. Idea recorded data download speed of 5.8 Mbps, whereas Bharti Airtel was at 5 Mbps. The average speed is computed by TRAI based on the data collected with the help of its MySpeed application on a real-ti...