New Delhi, June 2 -- Reliance Jio has recorded the fastest average download speeds and best voice quality in Delhi, according to independent drive tests conducted by the Telecom Regulatory Authority of India (TRAI) in April 2026. The regulator's tests across hotspots, walk-test locations and the Noida Sector 121 to IGI Airport route show Jio outperforming peers on key data and voice parameters.

According to the TRAI report, Jio's average download speed stood at 243.98 Mbps in the Delhi circle, significantly higher than Airtel's 169.80 Mbps, Vodafone Idea's 26.26 Mbps, and MTNL's 4.43 Mbps. TRAI also measured data service latency, or internet response time. Jio led with 20.33 milliseconds, while MTNL recorded 22.84 ms, Vodafone Idea 37.57...