TRAI Releases Mobile Network Performance Audit for Delhi-Agra Corridors

Overview of Independent Drive Tests

The Telecom Regulatory Authority of India (TRAI) has published the results of its Independent Drive Tests (IDT) conducted in July 2026. The assessment evaluated the mobile network quality of service (QoS) for major telecom service providers (TSPs) across two critical routes within the Delhi License Service Area (LSA): the Delhi-Agra Yamuna Expressway and the Agra-Delhi railway line.

The testing, supervised by the TRAI Regional Office in Delhi, involved real-time monitoring of 2G, 3G, 4G, and 5G networks. Using advanced test handsets, the agency measured key performance indicators including call drop rates, data throughput, and signal coverage to provide transparency for consumers and technical feedback for operators.

Key Findings: Highway Performance

The drive test covered 183.4 km along the Yamuna Expressway. Performance metrics varied significantly across operators:

• Coverage Gaps: The number of samples with poor signal strength ranged from 44 (VIL) to 4,876 (BSNL) out of approximately 13,000 samples per provider.
• Dropped Calls: VIL recorded 0 dropped calls out of 66 attempts, while BSNL recorded 16 drops out of 68 calls.
• Data Speeds: Reliance Jio (RJIL) recorded the highest average download throughput at 213.68 Mbps, followed by Airtel at 135.33 Mbps, VIL at 46.48 Mbps, and BSNL at 8.10 Mbps.

Key Findings: Railway Performance

Along the 188 km railway route between Agra and Delhi, the following performance trends were observed:

• Connectivity: BSNL showed the highest number of coverage gap samples (5,264), while VIL recorded the lowest (224).
• Call Reliability: Airtel reported no dropped calls during the test, while BSNL reported 12 instances out of 60 established calls.
• Data Throughput: Download speeds remained consistent with highway results, with RJIL leading at 82.68 Mbps, followed by VIL (47.48 Mbps), Airtel (44.23 Mbps), and BSNL (9.99 Mbps).

Next Steps

TRAI has shared these findings with the relevant TSPs to encourage service improvements. Consumers can access the full technical reports, including detailed maps of drop zones and signal gaps, through the official TRAI website. For further inquiries regarding these metrics, the public may contact the TRAI Delhi Regional Office via their listed telephone number or email.