Editing Chennai (section)

=== Communication ===
Chennai is one of four Indian cities connected by [[Submarine communications cable|undersea fibre-optic cables]] and is the [[Cable landing point|landing point]] of [[SEA-ME-WE 4|SMW<sub>4</sub>]] (connecting with [[Europe]], [[Middle East]] and [[Southeast Asia]]), [[i2i]] and [[TIISCS|TIC]] (connecting with [[Singapore]]), [[Bay of Bengal Gateway|BBG]] (connecting with Middle East, Southeast Asia and [[Sri Lanka]]), [[Gulf Bridge International]] (connecting with Middle East), and [[BRICS Cable|BRICS]] (connecting with [[Brazil]], [[Russia]], [[China]] and [[South Africa]]) with {{convert|3175|km}} long i2i having the world's largest design capacity of 8.4 terabits per second.<ref>{{cite news|title=Bharti and SingTel Establish Network i2i Limited|newspaper=Submarine network|date=8 August 2011|url=https://www.submarinenetworks.com/systems/intra-asia/i2i/bharti-and-singtel-establish-network-i2i-limited|access-date=1 December 2022|archive-date=2 February 2023|archive-url=https://web.archive.org/web/20230202122711/https://www.submarinenetworks.com/systems/intra-asia/i2i/bharti-and-singtel-establish-network-i2i-limited|url-status=dead}}</ref><ref>{{cite news|title=India's 1st undersea cable network ready|newspaper=[[The Economic Times]]|location=Singapore|date=8 April 2002|url=https://economictimes.indiatimes.com/articleshow/6306817.cms|access-date=28 December 2012|url-status=live|archive-url=https://web.archive.org/web/20200817121213/https://economictimes.indiatimes.com/articleshow/6306817.cms|archive-date=17 August 2020}}</ref><ref>{{cite news|title=BRICS Cable Unveiled for Direct and Cohesive Communications Services Between Brazil, Russia, India, China and South Africa|work=Business Wire|date=16 April 2012|url=https://www.businesswire.com/news/home/20120416005804/en/Brics-Cable-Unveiled-for-Direct-and-Cohesive-Communcations-Services-between-Brazil-Russia-India-China-and-South-Africa|access-date=1 December 2022|archive-date=8 December 2023|archive-url=https://web.archive.org/web/20231208184214/https://www.businesswire.com/news/home/20120416005804/en/Brics-Cable-Unveiled-for-Direct-and-Cohesive-Communcations-Services-between-Brazil-Russia-India-China-and-South-Africa|url-status=live}}</ref> {{As of|2023}}, four mobile phone service companies operate [[GSM]] networks including [[Bharti Airtel]], [[BSNL]], [[Vodafone Idea]] and [[Reliance Jio]] offering [[4G]] and [[5G]] mobile services.<ref>{{cite news|url=https://www.airtel.in/press-release/01-2023/airtel-5g-plus-now-live-in-5-cities-of-tamil-nadu|title=Coimbatore, Madurai, Hosur & Trichy gets ultrafast Airtel 5G Plus services in addition to Chennai|date=24 January 2023|access-date=1 December 2023|publisher=[[Bharti Airtel]]|archive-date=8 December 2023|archive-url=https://web.archive.org/web/20231208182655/https://www.airtel.in/press-release/01-2023/airtel-5g-plus-now-live-in-5-cities-of-tamil-nadu|url-status=live}}</ref><ref name="TRAI">{{cite report|url=https://www.trai.gov.in/sites/default/files/PR_No.124of2023_0.pdf|title=TRAI report, August 2023|access-date=1 December 2023|publisher=[[Telecom Regulatory Authority of India]]|archive-date=23 December 2023|archive-url=https://web.archive.org/web/20231223095115/https://www.trai.gov.in/sites/default/files/PR_No.124of2023_0.pdf|url-status=live}}</ref> Wireline and broadband services are offered by five major operators and other smaller local operators.<ref name="TRAI"/> Chennai is amongst the cities with a high internet usage and penetration.<ref>{{cite news|title=After losing 600,000 internet connections, Tamil Nadu adds|newspaper=[[Times of India]]|date=24 January 2021|url=https://timesofindia.indiatimes.com/city/chennai/after-losing-6l-net-connections-state-adds-2-million-in-july-sept/articleshow/80426908.cms|access-date=1 December 2023|archive-date=8 December 2023|archive-url=https://web.archive.org/web/20231208182652/https://timesofindia.indiatimes.com/city/chennai/after-losing-6l-net-connections-state-adds-2-million-in-july-sept/articleshow/80426908.cms|url-status=live}}</ref> {{As of|2022}}, the city had the highest average broadband speed among Indian cities, with a recorded download speed of 32.67&nbsp;Mbit/s.<ref>{{cite news|title=City tops in broadband speed|newspaper=[[Hindustan Times]]|date=19 August 2022|url=https://tech.hindustantimes.com/tech/news/chennai-tops-average-broadband-speeds-in-india-ookla-report-story-6wrmsQSZ2RWAjtALmd1xEJ.html|access-date=17 March 2023|archive-date=7 June 2023|archive-url=https://web.archive.org/web/20230607155612/https://tech.hindustantimes.com/tech/news/chennai-tops-average-broadband-speeds-in-india-ookla-report-story-6wrmsQSZ2RWAjtALmd1xEJ.html|url-status=live}}</ref>