India, Oct. 30 -- The Government of India has issued a release:
The Telecom Regulatory Authority of India (TRAI) has released findings of Independent Drive Test (IDT) conducted across Leh and nearby areas route under J&K LSA, during the month of August 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.
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 analyzed in real-time using advanced Software Systems.
TRAI, through its appointed agency, conducted drive tests across City drive - 62.6 Km, Hotspot locations - 07, Walk Test - 1.1 Km, Inter Operator Calling at 01 location and on Highway drive - 396.3 Km during 17th Aug 2026 to 21st Aug 2026 in J&K LSA. These tests were conducted under the supervision of the TRAI Regional Office Delhi. 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.
Drive Test Route Map: The following map provides overview of drive test routes indicating City drive, Inter-operator calling, Hotspots, Walk test & Highways drive as per the legends shown on the map: -
Figure-1: Drive test routes
The overall mobile network performance in Leh, Nubra Valley and Pangong areas route for the key parameters has been summarized below: -
Locations of Dropped Calls and Call Silence instances can be seen by clicking red dot on the map of Annexure-I.
The overall mobile network performance on Leh to Nubra Valley highway route for the key parameters has been summarized below: -
Locations of Dropped Calls and Call Silence instances can be seen by clicking red dot on the map of Annexure-II.
The overall mobile network performance on Nubra Valley to Pangong highway route for the key parameters has been summarized below: -
Locations of Dropped Calls and Call Silence instances can be seen by clicking red dot on the map of Annexure-III.
The overall mobile network performance on Sakti to Sangam highway for the key parameters has been summarized below: -
d) Data Download and Upload Throughput:
Locations of Dropped Calls and Call Silence instances can be seen by clicking red dot on the map of Annexure-IV.
Details of drive test route and area covered during the IDT are as below: -
View Point Khadungla road, South Pullu, Shiv Shankar Temple, North Pullu, Khardung
Viewpoint, Khalsar and Diskit etc., Nubra Valley to Pangong via Tsati, Agham, Sakti, Zingral, Tsoltak, Tangtse, Muglib, Spangmik and Pangong beach etc. & Sakti to Sangam via Chemrey, Karu, Thiksey, Shey, Kushok Bakula Rimpochee Airport, Indus Viewpoint and Sangam Point
Leh Ladakh etc.
Hundar, Artisan Bazaar, EJM College, Gurudwara Sri Pathar Sahib, Leh Airport, Leh Market
& SNM Hospital.
d) Walk Test - The walk test conducted on 17th Aug 2026, covered Leh Market capturing mobile network behaviors in crowded pedestrian environments.
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.ca@trai.gov.in or Regional Office of TRAI at Delhi RO can be contacted on Telephone No. +91-11-20907772.
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