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Information Note to the Press (Press Release No. 47 / 2026)
TELECOM REGULATORY AUTHORITY OF INDIA
https://www.trai.gov.in
New Delhi, 06 April’ 2026
For Immediate Release
TRAI Assesses Network Quality Across North 24 Parganas and Nadia districts and
adjoining areas in the State of West Bengal, along National Highway (NH- 12) from
Barasat to Raiganj and along Railway route from Howrah to Bardhaman via Bandel,
all under West Bengal Licensed Service Area (LSA)
The Telecom Regulatory Authority of India (TRAI) released its Independent Drive Test (IDT)
findings for the West Bengal LSA, covering extensive city routes of North 24 Parganas and
Nadia districts and adjoining areas, highway route of Barasat to Raiganj along NH- 12 and
railway route from Howrah to Bardhaman via Bandel in the month of February 2026. The drive
tests, conducted under the supervision of the TRAI Regional Office, Kolkata, were designed to
capture real-world mobile network performance across diverse usage environments- Urban
Zones, Institutional Hotspots, business areas, residential areas, experience of passengers and
others along the rail route etc.
Between 10th February 2026 and 21st February 2026, TRAI teams conduced detailed tests
across city routes of North 24 Parganas and Nadia districts and adjoining areas, highway route
of Barasat to Raiganj along NH- 12 and railway route from Howrah to Bardhaman via Bandel
in West Bengal LSA covering 436.3 Km of city drive test, 28 Hotspot locations, 4.4 Km of
walk test, 363.6 Km of Highway drive test, and 107.3 Km Railway drive test. Technologies
evaluated included 2G, 3G, 4G, and 5G, reflecting the service experience of users across
multiple handset capabilities. The findings of the IDT have already been intimated to all the
TSPs concerned.
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.
The overall mobile network performance in city routes of North 24 Parganas and Nadia
districts in the State of West Bengal in West Bengal LSA is summarized below:
Call Setup Success Rate- Airtel, BSNL, RJIL and VIL have call setup success rate of
96.66%, 83.79%, 99.72% and 99.91% respectively in Auto-selection mode
(5G/4G/3G/2G).
Drop Call Rate Airtel, BSNL, RJIL and VIL have drop call rate of 0.00%, 5.85%, 0.55%
and 0.55% respectively in Auto-selection mode (5G/4G/3G/2G).
5G Data Services delivered maximum average download speed of 212.68 Mbps and
maximum average upload speed of 28.09 Mbps in the overall city drive test.The poor Signal Strength in auto-selection mode (5G/4G/3G/2G) has been observed
during drive test as per detailed below
Type of Drive % of samples having poor signal strength
Test in auto-
Voice testing Data testing
selection mode
(5G/4G/3G/2G) Airtel BSNL RJIL VIL Airtel BSNL RJIL VIL
City 1.60% 34.01% 2.13% 5.91% 11.36% 29.72% 9.87% 17.10%
Highway 0.47% 27.80% 0.55% 1.49% 6.68% 27.99% 8.28% 6.32%
Railway 0.66% 8.17% 0.65% 2.97% 6.19% 35.51% 6.57% 8.94%
In North 24 Parganas and Nadia districts, the assessment included the areas of Habra,
Kankpul, Sherpur More, South Habra, Bagjola, Gurdaha, Kholapota, Berachampa, Haroa,
Minakhan, Nazat, Kharampur, Hasnabad, Basirhat, Akharpur, Aturia, Tentulia,
Maslandapur, Dhakuria, Angrail, Bangaon, Chakdaha, Simurali, Ranaghat, Birnagar,
Krishananagar, Gobindapur, Badkulla, Kanthaliamath and Mayapur etc. and for Highway
from Barasat to Raiganj passing through Amdanga, Ranaghat, Krishnanagar, Debagram,
Bhabta, Morgram, Sadikpur, Farakka, Gazole and Rupahar etc.
TRAI also evaluated real-world conditions at (i) Ashoknagar State General Hospital
Ashoknagar Kalyangarh, (ii) Basirhat Court Basirhat, (iii) Basirhat Super Speciality Hospital
Itinda Basirhat, (iv) Beldanga-I B.D.O. Office Sarulia, (v) Bethuadahari Wildlife Sanctuary,
Segun Bagan Rd, Rajendranagar, (vi) Bongaon S. D. Hospital Dr. J. R. Dhar Chakdaha
Champaberia Bangaon, (vii) Central Sericulture Raninagar Chuapur Berhampore, (viii)
Dhaanyaganga Krishi Vigyan Kendra Sargachi Mission Bus Stop NH 12 Sargachhi
Mahishasthali (ix) Fulia Tant Saree Hat NH 12 Belemath Phulia, (x) Gobardanga Hindu
College Jamdani Gobardanga, (xi) JMN Medical College and Hospital Panchpota
Chakdaha Ektarpur, (xii) Kaliachak-I B.D.O. Office Malda Baliadanga, (xiii) Krishnagar
Collegiate School Rabindra Nath Tagore Rd Krishnanagar, (xiv) Krishnanagar Head Post
Office Rn Tagore Road More Krishnanagar, (xv) Krishnanagar Palace Krishnanagar, (xvi)
Kulik Bird & Wildlife Sanctuary NH 12 Raiganj Soharai, (xvii) Maulana Abul Kalam Azad
University of Technology Haringhata Farm, (xviii) Raiganj Government Medical College
and Hospital, (xix) Raiganj Post Office, (xx) Ranaghat College Old Berhampore Rd
Ranaghat, (xxi) Ranaghat Session Court Ranaghat, (xxii) Ranaghat Sub-Divisional
Hospital Sreenath Pur Ranaghat, (xxiii) Santipur Hat Santipur, (xxiv) Santipur State
General Hospital Santipur, (xxv) Sree Chaitanya College Habra Bokavhoda Habra, (xxvi)
Sujapur Primary Health Centre Sujapur, (xxvii) Taki Ramakrishna Mission High School Taki,
(xxviii) Thakurnagar Thakurbari Thakurnagar Chikanpara; through static testing and
at (i) Krishnanagar City Junction Railway Station Krishnanagar, (ii) Krishnanagar Sadar
District Hospital Ranaghat - Krishnanagar Byp, (iii) Mayapur Iskon Mandir Chaitanya
Bhawan Bbt Rd Mayapur, (iv) Ranaghat Junction Railway Station Ranaghat through walk-
test.Performance against key QoS parameters:
CSSR: Call Setup Success Rate (in %), CST: Call Setup Time (in seconds), DCR: Drop Call Rate (in %) &
MOS: Mean Opinion Score.
Summary-Voice services Summary-Data services
Call Setup Success Rate: Airtel, BSNL, RJIL and VIL have Data Download performance (Overall): Average
96.66%, 83.79%, 99.72% and 99.91% call setup success rate download speed of Airtel (5G/4G) is 120.39 Mbps,
respectively in Auto-selection mode (5G/4G/3G/2G). BSNL (4G/3G/2G) is 12.50 Mbps, RJIL (5G/4G) is
212.68 Mbps and VIL (5G/4G/2G) is 23.36 Mbps.
Call Setup Time: Airtel, BSNL, RJIL and VIL have call setup
time of 1.84, 6.33, 0.62 and 0.99 seconds respectively in Auto- Data Upload performance (Overall): Average
selection mode (5G/4G/3G/2G). upload speed of Airtel (5G/4G) is 28.09 Mbps,
BSNL (4G/3G/2G) is 4.06 Mbps, RJIL (5G/4G) is
Drop Call Rate: Airtel, BSNL, RJIL and VIL have drop call rate
25.87 Mbps and VIL (5G/4G/2G) is 13.73 Mbps.
of 0.00%, 5.85%, 0.55% and 0.55% respectively in Auto-selection
mode (5G/4G/3G/2G). Latency (Overall): Airtel, BSNL, RJIL and VIL
50th percentile latency is 56.37 ms, 51.24 ms, 42.29
Call Silence/Mute Rate: Airtel, BSNL, RJIL and VIL have ms, 46.67 ms respectively.
silence call rate of 0.15%, 3.26%, 0.75% and 1.00% respectively
in packet switched network (4G/5G). Data performance - Hotspots (in Mbps):
Airtel- 4G D/L: 43.28 4G U/L: 6.97
Mean Opinion Score (MOS): Airtel, BSNL, RJIL and VIL have
5G D/L: 181.53 5G U/L: 36.97
average MOS of 4.02, 3.13, 4.52 and 4.45 respectively.
BSNL- 4G D/L: 12.01 4G U/L: 3.95
RJIL- 4G D/L: 50.08 4G U/L: 13.64
5G D/L: 242.15 5G U/L: 29.64
VIL- 4G D/L: 16.20 4G U/L: 9.44
Note- “D/L” Download speed, “U/L” Upload speed
The tests were conducted using TRAI suggested 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 Kaushik Mukherjee, Advisor (Regional Office,
Kolkata) TRAI may be contacted on email: adv.kolkata@trai.gov.in or at Tel. No. +91-33-
22361401.
(Kaushik Mukherjee)
Advisor, TRAI RO Kolkata