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Information Note to the Press (Press Release No 95/2026)
TELECOM REGULATORY AUTHORITY OF INDIA
www.trai.gov.in
New Delhi, 16 July 2026
For Immediate Release
TRAI Assesses Mobile Network Quality Across in Uttara Kannada District, Karnataka LSA.
The Telecom Regulatory Authority of India (TRAI) has released findings of Independent
Drive Test (IDT) conducted across Uttara Kannada District, Karnataka LSA, during the month
of May 2026, for information of general telecom consumers. The purpose of this drive test is to
assess and verify real time quality of mobile network services (both voice & data) provided by
Telecom Service Providers (TSPs). During the IDT, TRAI captures performance of TSPs for key
Quality of Service (QoS) parameters like Coverage, Call Drop Rate (CDR), Call Setup Success
Rate (CSSR), data Download (DL) and Upload (UL) throughput etc., which are then published to
inform Consumers and encourage TSPs to improve their services.
2. These IDTs have been designed to capture on ground mobile network performance of all
TSPs across diverse usages environment like cities, hotspots, public transport hubs, etc. In this
type of drive testing, live data and voice sessions are established using SIM cards from all TSPs
over 2G, 3G, 4G, and 5G networks. Multiple advanced test handsets are used, and the sessions
are monitored and analysed in real-time using advanced Software Systems.
3. TRAI, through its appointed agency, conducted drive tests across City drive โ 440.5 KMs,
Hotspot locations - 12, Walk Test โ 8.7 KMs, Railway โ 761.0 KMs, in Karwar city & nearby areas
from 18th May 2026 to 21st May 2026 in Karnataka LSA. These tests were conducted under the
supervision of the TRAI Regional Office Bengaluru. The observations presented in drive test
reports represent the performance of the TSPs on the area/ route under test on the day/ time of
conducting the drive test.
4. Drive Test Route Map: The following map provides overview of drive test routes
indicating City drive, Inter-operator calling, Hotspots and Walk tests, as per the legends shown on
the map:-
15. Key Parameters Assessed
a) Coverage Gap: Percentage of samples, for which signal strength observed less than
the minimum prescribed signal strength for respective technology (2G/ 3G/ 4G/ 5G).
b) Voice Services: Call Setup Success Rate (CSSR), Drop Call Rate (DCR), Call Setup
Time, Call Silence Rate, Speech Quality (MOS).
c) Call Silence Instance: Number of call silence instance occurred during the calls.
d) Data Servies: Download/ Upload Throughput, Latency, Jitter, Packet Drop Rate
6. The overall mobile network performance in Uttara Kannada District for the key parameters
has been summarised below:-
a) Coverage Gap - The signal strength observed during voice testing on the drive test
route in auto-selection mode (5G/4G/3G/2G), measured as the number of samples
having poor signal strength out of the total samples collected, was 5104/34323 for
Airtel, 10378/35480 for BSNL, 7089/37941 for RJIL and 6626/28580 for VIL. Details
of the coverage gaps have been provided in the map Annexed.
b) Dropped Calls - Dropped calls, measured as the number of dropped calls out of the
number of successfully established calls, were 14/311 for Airtel, 28/306 for BSNL,
17/346 for RJIL and 12/260 for VIL. Details of the dropped call locations have been
provided in the map Annexed.
c) Call Silence Instance - Call silence instances, measured as the total number of silence
instances observed for > 3 seconds out of the total calls established, were 17/ 304 for
Airtel, 8/ 274 for BSNL, 12/331 for RJIL and 8/230 for VIL. Details of the call silence
instance locations have been provided in the map Annexed.
d) Data Download and Upload Throughput:
i) Data Download performance (Overall): Average download speed was observed
as 109.02 Mbps for Airtel (5G/4G), 5.73 Mbps for BSNL (4G), 229.12 Mbps for
RJIL (5G/4G) and 25.04 Mbps for VIL (5G/4G/2G). Detail of Download throughput
has been provided in the map Annexed.
ii) Data Upload performance (Overall): Average upload speed was observed as
26.02 Mbps for Airtel (5G/4G), 2.07 Mbps for BSNL (4G), 18.19 Mbps for RJIL
(5G/4G) and 10.78 Mbps for VIL (5G/4G/2G). Detail of Upload throughput has been
provided in the map Annexed.
Locations of Dropped Calls and Call Silence instances can be seen by clicking red
dot on the map Annexed.
7. Details of drive test route and area covered during the IDT is as under:-
a) City - The areas covered in the city drive are Shirwada, Kodibag, Hattikeri, Ankola,
Mirjan, Bhatkal, Anantwadi, Kasarkoda, Kumta, Devimane, Sirsi, Manchikere, Yellapur,
Bhagavati, Ambikanagar, Dandeli, Bapeli, Ganeshgudi and Haliyal etc. in Uttara
Kannada District.
b) Railway Route - Bengaluru to Karwar passing through Hassan, Mangaluru, Udupi,
Murdeshwar and Ankola etc.
c) Hotspot - The hot spot locations, capturing stationary user experience, are Ankola Bus
Stand, Bhatkal Bus Stand, Dandeli Bus Stand, District Hospital Karwar, Government
Hospital Dandeli, Government Hospital Haliyal, Haliyal Bus Stand, Honnavar Bus
Stand, Karwar Bus Stand, Kumta Bus Stand, Sirsi Bus Stand, and Yellapura Bus Stand.
d) Walk Test - The walk tests conducted on 19th to 20th May 2026, covered Bhatkal Old
Town Walkway, Karwar Beach Promenade Stretch, Kumta Town Bazaar Walk,
Murdeshwar Beach & Temple Walkway, and Sirsi Sri Marikamba Temple.etc.
28. The findings of this IDT report have been shared with respective TSPs for taking further
necessary action at their end. Detailed reports of IDT are made available on the TRAI website at
www.trai.gov.in. For any clarification or additional information, an email can be sent to
adv.bengaluru@trai.gov.in or Regional Office of TRAI at Bengaluru RO can be contacted on
telephone No. +91-80-22865004.
3Annexure
1. Uttara Kannada District:
a) Coverage Gap โ The coverage distribution found less than the minimum specified signal
strength for the drive test route in auto-selection mode (5G/4G/3G/2G) during voice testing,
is as below:
AIRTE
Parameter BSNL RJIL VIL
L
Total Number of Samples captured on Drive test
34323 35480 37941 28580
route
Number of Samples having poor signal strength 5104 10378 7089 6626
Number of Samples having limited service (No
6487 4479 3755 9565
Coverage)
Note: Signal strength has been considered poor if it falls below โ110 dBm for 5G & 4G, โ90
dBm for 3G, and โ85 dBm for 2G.
Coverage Gap observed
AIRTEL BSNL
RJIL VIL
Note: Plot is based on Dynamic Drive Test results only.
4b) Dropped Calls - The TSP-wise details of dropped calls in auto-selection mode (5G/ 4G/
3G/ 2G) are as below:-
Parameter AIRTEL BSNL RJIL VIL
Number of successful Calls Established 311 306 346 260
Number of dropped Calls 14 28 17 12
Locations of Dropped Calls
AIRTEL BSNL
RJIL VIL
Note: Dropped calls locations are shown in red colour and which can be clicked to know the
exact location (latitude and longitude) on the map.
5c) Call Silence Instance - The TSP-wise details of Call silence instance in Auto-selection
mode (5G/4G) are as below:-
Parameter AIRTEL BSNL RJIL VIL
Call Established
304 274 331 230
(within service provider network)
Number of silences calls for >3 Sec 17 8 12 8
Total number of silence instances for >3
24 10 15 8
Sec
Locations of Call Silence Instance
AIRTEL BSNL
RJIL VIL
Note: Call silence instances are shown in red color and which can be clicked to know the
exact location (latitude and longitude) on the map.
6d) Data Download and Upload throughput: The TSP-wise details of Average Download
(DL) and Upload (UL) throughput against declared typical DL/UL Throughput for month,
in Auto-selection mode (5G/4G/3G/2G) are as below:-
(i) Download Throughput
AIRTEL BSNL RJIL VIL
Measured
Parameter (upto (upto (upto (upto
in
5G) 4G) 5G ) 4G)
Typical Download
throughput declared by (Mbits/s) 9.79 10.46 15.00 15.00
TSP
Average Download
Throughput measured (Mbits/s) 109.02 5.73 229.12 25.04
during IDT
AIRTEL BSNL
RJIL VIL
Note: Plot is based on Dynamic Drive Test results only.
7(ii) Upload Throughput
AIRTEL BSNL RJIL VIL
Measured
Parameter (upto (upto (upto (upto
in
5G) 4G) 5G ) 4G)
Typical upload throughput
(Mbits/s) 5.60 3.41 7.00 8.00
declared by TSP
Average Upload Throughput
(Mbits/s) 26.02 2.07 18.19 10.78
m easured during IDT
z
BSNL
AIRTEL
RJIL VIL
Note: Plot is based on Dynamic Drive Test results only.
82. Bengaluru to Karwar Railway:
a) Coverage Gap โ The coverage distribution found less than the minimum specified signal
strength for the drive test route in auto-selection mode (5G/4G/3G/2G) during voice testing,
is as below:-
Parameter AIRTEL BSNL RJIL VIL
Total Number of Samples captured on Drive test
44653 37684 45911 38986
route
Number of Samples having poor signal strength 12528 17526 9986 15934
Number of Samples having Limited Service (No
3414 7448 1837 7003
Coverage)
Note: Signal strength has been considered poor if it falls below โ110 dBm for 5G & 4G, โ90
dBm for 3G, and โ85 dBm for 2G.
Coverage Gap observed
AIRTEL
BSNL
9RJIL
VIL
Note: Plot is based on Dynamic Drive Test results only.
10b) Dropped Calls - The TSP-wise details of dropped calls in auto-selection mode (5G/ 4G/
3G/ 2G) are as below:-
Parameter AIRTEL BSNL RJIL VIL
Number of successful Calls Established 238 211 250 218
Number of dropped Calls 18 47 26 56
Locations of Dropped Calls
AIRTEL BSNL
RJIL VIL
Note: Dropped calls locations are shown in red colour and which can be clicked to know the
exact location (latitude and longitude) on the map.
11c) Data Download and Upload throughput: The TSP-wise details of Average Download
(DL) and Upload (UL) throughput against declared typical DL/UL Throughput for month,
in Auto-selection mode (5G/4G/3G/2G) are as below:-
(i) Download Throughput
AIRTEL BSNL RJIL VIL
Measured
Parameter (upto (upto (upto (upto
in
5G) 4G) 5G ) 4G)
Typical Download
throughput declared by (Mbits/s) 9.79 10.46 15.00 15.00
TSP
Average Download
Throughput measured (Mbits/s) 28.43 5.49 121.15 12.94
during IDT
AIRTEL
BSNL
12RJIL
VIL
Note: Plot is based on Dynamic Drive Test results only.
13(ii) Upload Throughput
AIRTEL BSNL RJIL VIL
Measured
Parameter (upto (upto (upto (upto
in
5G) 4G) 5G ) 4G)
Typical upload throughput
(Mbits/s) 5.60 3.41 7.00 8.00
declared by TSP
Average Upload Throughput
(Mbits/s) 11.21 2.14 8.03 7.99
m easured during IDT
AIRTEL
BSNL
14RJIL
VIL
Note: Plot is based on Dynamic Drive Test results only.
15