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TRAI releases findings from Independent Drive Tests (IDT) Report for May 2025, Thirteen Cities and Routes Assessed

TRAI releases findings from Independent Drive Tests (IDT) Report for May 2025, Thirteen Cities and Routes Assessed

The Telecom Regulatory Authority of India (TRAI) today released the results of Independent Drive Tests (IDTs) conducted in May 2025, covering thirteen cities, highway, railway and coastal corridors in eight Licensed Service Areas (LSAs). The thirteen cities, highway, railway and coastal area fall under Ranchi City and Latehar District, Ahmedabad City, Railway route from Ahmedabad to Bhavnagar, Coastal area at Ghogha Port, Bhavnagar, Panipat City, Una & Mandi City, Chikmagaluru City, Chennai City, Ayodhya City, Moradabad City, Highway from Dehradun to Badrinath. These assessments were part of TRAI’s periodic Quality of Service (QoS) audits, aimed at evaluating real-time network performance. The tests were carried out using calibrated equipment and standardised protocols, under direct supervision of TRAI officials across diverse on-ground environments.

The drive tests were undertaken through TRAI-appointed agency and evaluated both voice and data services across 2G, 3G, 4G, and 5G technologies. The scope included City Drive tests, Walk tests, Highway/ Railway/ Coastal area test and hotspot analysis. The networks of Bharti Airtel Limited, Reliance Jio Infocomm Limited, Vodafone Idea Limited, and BSNL were covered in auto-selection and locked mode as per the requirement of tests.

Key Parameters Assessed:

Voice Services: Call Setup Success Rate (CSSR), Drop Call Rate (DCR), Call Setup Time, Call Silence Rate, Speech Quality (MOS), Coverage.

Data Services: Download/Upload Throughput, Latency, Jitter, Packet Drop Rate, and Video Streaming Delay.

Key findings of Independent Drive Tests (IDTs) are as under:

Panipat and Ayodhya have demonstrated better network performance of operators in respect of Drop Call Rate and Call Setup Success Rates (CSSR). Data Download and Upload speeds are observed better in Ahmedabad, Chennai, Panipat and Ranchi.

Ranchi and Una & Mandi have recorded comparatively higher Drop Call Rates. Call Setup Success Rates (CSSR) in Ahmedabad, Chikmagaluru, Moradabad and Ranchi have observed much below the benchmark of 98%.

The details of drive tests conducted in the eight LSAs are given below:

S. No.

City / Routes Covered

Licensed Service Area

Period of Drive Test

Distance Covered

Performance summary

(attached at)

1

Ranchi City and Latehar District

Bihar

24-05-2025 to 28-05-2025

City:  218.6 Kms

Walk Test: 3.4 Kms

Annexure A

2

Ahmedabad City

Railway: Ahmedabad to Bhavnagar

Coastal: Ghogha Port, Bhavnagar

Gujarat

05-05-2025 to 14-05-2025

City: 381.7 Kms

Railway: 247.1 Kms

Coastal: 15.6 Kms

Annexure B

3

Panipat City

Haryana

20-05-2025 to 23-05-2025

City: 254.7 Kms

Walk Test: 1.2 Kms

Annexure C

4

Una & Mandi City

Highway: Una to Mandi

Railway:

New Delhi to Una

Himachal Pradesh

26-05-2025 to 28-05-2025

City: 116.6 Kms

Walk Test: 2.3 Kms

Highway: 283.9 Kms

Railway: 384.8 Kms

Annexure D

5

Chikmagaluru City

Highway: Bengaluru to Chikmagaluru

Karnataka

21-05-2025 to 24-05-2025

City: 308.7Kms

Walk Test: 6.7 Kms

Highway: 239.8 Kms

Annexure E

6

Chennai City

Tamil Nadu

06-05-2025 to 09-05-2025

City: 398.6 Kms

Annexure F

7

Ayodhya City

UP(East)

10-05-2025 to 12-05-2025

City: 215.8 Kms

Walk Test: 3.0 Kms

Annexure G

8

Moradabad City

Highway: Dehradun to Badrinath

UP(West)

05-05-2025 to 21-05-2025

City: 278.3 Kms

Highway: 325 Kms

Annexure H

 

The detailed reports are available at TRAI website www.trai.gov.in. For any clarification/information, Shri Tejpal Singh, Advisor (QoS-I) TRAI may be contacted on email: adv-qos1@trai.gov.in or at Tel. No. +91-11-20907759.

Click here to see Annexure

  1. Voice Services: Call Setup Success Rate (CSSR), Drop Call Rate (DCR), Call Setup Time, Call Silence Rate, Speech Quality (MOS), Coverage.

  2. Data Services: Download/Upload Throughput, Latency, Jitter, Packet Drop Rate, and Video Streaming Delay.