On September 22, 2025, the Telecom Regulatory Authority of India (TRAI) released the Independent Drive Test (IDT) findings for the Hubballi, Karnataka Licensed Service Area (LSA). Tests were conducted between August 5th and August 8th, 2025, covering 249.5 Kms of City drive, 261 Kms of Highway, 10.5 Kms Walk Test and 09 Hot spot locations. Technologies evaluated included 2G, 3G, 4G, and 5G.
Key parameters assessed include:
*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.
*Call Setup Success Rate* Airtel, BSNL, RJIL and VIL have 93.30%, 87.88%, 99.64% and 86.11% call setup success rate respectively in Auto-selection mode (5G/4G/3G/2G).
*Drop Call Rate* Airtel, BSNL, RJIL and VIL have drop call rate of 1.66%, 4.96%, 0.71% and 2.09% respectively in Auto-selection mode (5G/4G/3G/2G).
The walk tests focused on Hubballi Railway Junction, KSRTC Old Bus Stand Dharwad, Unakal Lake and University of Agricultural Sciences Dharwad.
The highway drive test covered Hubballi–Haveri–Sirsi–Yellapur Hubballi Junction passing through Gabbur, Pale, Varur, Tadas Cross, Jigalur, Shiggaon, Aladakatti, Gourapura, Sangur, Balambeed, Goudalli, Sirsi, Agsal, Sonda, Chawadi and Yellapur Devikoppa etc covering the NH and SH.
The detailed report is available at TRAI website www.trai.gov.in. For any clarification/information, Shri Brajendra Kumar, Advisor (Regional Office, Bengaluru) TRAI may be contacted on email: adv.bengaluru@trai.gov.in or at Tel. No. +91-80-22865004.
*Additional data includes (Summary of Performance against key QoS parameters)
Call Setup Success Rate (CSSR) in %
* RJIL - 99.64%
* Airtel - 93.30%
* BSNL - 87.88%
* VIL - 86.11%
Call Setup Time (CST) in seconds
* RJIL - 0.68
* Airtel - 1.15
* VIL - 1.42
* BSNL - 1.93
Drop Call Rate (DCR) in %
* RJIL - 0.71%
* Airtel - 1.44%
* VIL - 2.09%
* BSNL - 4.56%
Mute Call
* Airtel - 1.49%
* BSNL - 5.70%
* RJIL - 5.95%
* VIL - 6.18%
Mean Opinion Score (MOS)
* Airtel - 3.54
* RJIL - 3.75
* BSNL - 3.02
* VIL - 3.28
Avg. Download Speed (Mbps)
* RJIL - 244.78
* Airtel - 141.74
* VIL - 20.62
* BSNL - 1.33
Avg. Upload Speed (Mbps)
* Airtel - 40.25
* RJIL - 25.41
* VIL - 13.62
* BSNL - 2.70
Latency-50 Percentile(ms)
* RJIL - 22.80
* Airtel - 23.80
* VIL - 27.60
* BSNL - 51.00
Key Entities Referenced
Telecom Regulatory Authority of India (TRAI): The regulator that conducted and released the independent drive test findings.
Hubballi: The city where network quality was assessed.
Karnataka Licensed Service Area (LSA): The geographic area covered by the assessment, including Hubballi.
Airtel: One of the Telecom Service Providers (TSPs) whose network performance was assessed
BSNL: One of the Telecom Service Providers (TSPs) whose network performance was assessed
RJIL: One of the Telecom Service Providers (TSPs) whose network performance was assessed
VIL: One of the Telecom Service Providers (TSPs) whose network performance was assessed
Ministry of Communications
TRAI Assesses Network Quality Across Hubballi City
and Surrounding Area
Posted On: 22 SEP 2025 12:33PM by PIB Delhi
The Telecom Regulatory Authority of India (TRAI) released its Independent Drive Test (IDT) findings for the
Hubballi, Karnataka Licensed Service Area (LSA), covering extensive City/Highway routes during the month
of August 2025. The drive tests, conducted under the supervision of the TRAI Regional Office, Bengaluru,
were designed to capture real-world mobile network performance across diverse usage environments – Urban
Zones, Institutional Hotspots, Public Transport Hubs, and high-speed Corridors.
th th
Between 05 August 2025 to 08 August 2025, TRAI teams conducted detailed tests across 249.5 Kms of
City drive, 261 Kms of Highway, 10.5 Kms Walk Test and 09 Hot spot locations. Technologies evaluated
included 2G, 3G, 4G, and 5G, reflecting the service experience of users across multiple handset capabilities.
The findings of IDT have been intimated to all the TSPs concerned for further necessary action.
Key Parameters Assessed:
a) Voice Services: Call Setup Success Rate (CSSR), Drop Call Rate (DCR), Call Setup Time,
Call Silence Rate, Speech Quality (MOS), Coverage.
b) Data Services: Download/Upload Throughput, Latency, Jitter, Packet Drop Rate, and Video
Streaming Delay.
Call Setup Success Rate - Airtel, BSNL, RJIL and VIL have 93.30%, 87.88%, 99.64% and 86.11% call
setup success rate respectively in Auto-selection mode (5G/4G/3G/2G).
Drop Call Rate - Airtel, BSNL, RJIL and VIL have drop call rate of 1.66%, 4.96%, 0.71% and 2.09%
respectively in Auto-selection mode (5G/4G/3G/2G).
Summary of Performance against key QoS parameters
CSSR: Call Setup Success Rate i.e. (in %), CST: Call Setup Time (in seconds), DCR: Drop Call Rate (in %)
& MOS: Mean Opinion Score representing typical voice quality.S
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In Hubballi city, the assessment included high-density neighbourhoods like Kavalgeri, Dharwad, Kelgeri,
Gulaganjikoppa, Malmaddi, Saptapur, Gandhi Nagar, Sattur Colony, Amargol, Rajnagar, Keshwapur, Durgad
Bail, Kasugal, Hebsur, Byahatti, Shivahalli, Revadihal and Yerikoppa etc.
TRAI also evaluated real-world conditions at APMC Market Hubballi, Chandramouleshwara Temple Unkal
Hubballi, Deputy Commissioner office Dharwad, High Court Bench Dharwad, Hubballi-Dharwad Municipal
Corporation (HDMC), KIMS Hospital Hubballi, KSRTC Bus Stand Hubballi, RTO office Dharwad and
Saptapur Circle Dharwad to reflect stationary user experience.
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The walk tests, conducted on 05 and 07 August 2025 in Hubballi City, focused on Hubballi Railway
Junction, KSRTC Old Bus Stand Dharwad, Unakal Lake and University of Agricultural Sciences Dharwad,
capturing mobile network behaviour in crowded pedestrian environments.
The highway drive test was covered Hubballi–Haveri–Sirsi–Yellapur Hubballi Junction passing through
Gabbur, Pale, Varur, Tadas Cross, Jigalur, Shiggaon, Aladakatti, Gourapura, Sangur, Balambeed, Goudalli,
Sirsi, Agsal, Sonda, Chawadi and Yellapur Devikoppa etc covering the NH and SH.
The tests were conducted using TRAI-calibrated equipment and standardised protocols in real-time
environments. The detailed report is available at TRAI website www.trai.gov.in. For any
clarification/information, Shri Brajendra Kumar, Advisor (Regional Office, Bengaluru) TRAI may be
contacted on email: adv.bengaluru@trai.gov.in or at Tel. No. +91-80-22865004.
****
Samrat/Murali/Allen
(Release ID: 2169471)