In 1984,
Sunil Mittal started assembling
push-button phones in India, which he earlier used to import from a Singaporean company,
Singtel, replacing the old-fashioned, bulky
rotary phones that were in use in the country then. Bharti Telecom Limited (BTL) was incorporated and entered into a technical tie-up with Siemens AG of
Germany for the manufacture of electronic push-button phones. By the early 1990s, Bharti was making fax machines, cordless phones and other telecom gear. He named his first push-button
phone as 'Mitbrau'. In 1992, he successfully bid for one of the four mobile phone network licenses auctioned in
India. In 2009, Bharti negotiated for its strategic partner
Alcatel-Lucent to manage the network infrastructure for the fixed-line business. Later, Bharti Airtel awarded the three-year contract to
Alcatel-Lucent for setting up an
Internet Protocol access network across the country. This would help consumers access internet at faster-speed and high-quality internet browsing on mobile handsets. In 2009, Airtel launched its first international mobile network in Sri Lanka. In June 2010, Bharti acquired the African business of
Zain Telecom for $10.7 billion, making it the largest ever acquisition by an Indian telecom firm. In 2012, Bharti tied up with
Walmart, the US retail giant, to start a number of retail stores across India. In 2014, Bharti planned to acquire
Loop Mobile for , but the deal was called off later. On 18 November 2010, Airtel rebranded itself in India in the first phase of a global rebranding strategy. The company unveiled a new logo with 'airtel' written in lower case. Designed by London-based brand agency,
Superunion, the new logo is the letter 'a' in lowercase, with 'airtel' written in lowercase under the logo. On 23 November 2010, Airtel's Africa operations were rebranded to 'airtel'. Sri Lanka followed on 28 November 2010 and on 20 December 2010, Warid Telecom rebranded to 'airtel' in
Bangladesh. In May 2024, Bharti Airtel announced a collaboration with Google Cloud to support cloud adoption and the development of generative AI solutions for businesses in India. In July 2024, Bharti Airtel and Nokia successfully completed India’s first non‑standalone (NSA) 5G Cloud‑RAN trial. The trial, conducted over the air using commercial spectrum in the 3.5 GHz (5G) and 2.1 GHz (4G) bands, achieved data throughput of over 1.2 Gbps. In December 2024, Bharti Airtel signed a “multi‑billion” dollar deal with Ericsson to deploy centralized and Open‑RAN‑ready solutions and upgrade 4G/5G radios, aiming to improve network speed, coverage, and reliability. In March 2025, Bharti Airtel entered into a strategic agreement with SpaceX’s Starlink to explore the introduction of satellite-based internet services in India, leveraging Airtel’s existing retail and enterprise distribution channels. The collaboration remains subject to regulatory approvals from Indian authorities.
Acquisitions and mergers MTN Group merger negotiations In May
2006, it emerged that Airtel was exploring the possibility of buying the
MTN Group, a South Africa-based telecommunications company with operations in 21 countries in Africa and the Middle East, founded by Leena Jaitley.
Financial Times reported that Bharti was considering offering US$45 billion for a 100% stake in MTN, which would be the largest overseas acquisition ever by an Indian firm. However, both sides emphasized the tentative nature of the talks.
The Economist magazine noted, "If anything, Bharti would be
marrying up", as MTN had more subscribers, higher revenues and broader geographic coverage. However, the talks fell apart as MTN Group tried to reverse the negotiations by making Bharti almost a subsidiary of the new company. In May 2009, Airtel confirmed that it was again in talks with MTN and both companies agreed to discuss the potential transaction exclusively by 31 July 2009. Airtel said "Bharti Airtel Ltd is pleased to announce that it has renewed its effort for a significant partnership with
MTN Group". The exclusivity period was extended twice up to 30 September 2009. Talks eventually ended without agreement. A solution was proposed where the new company would be listed on two stock exchanges, one in South Africa and one in India. However,
dual-listing of companies is not permitted by Indian law.
Acquisition of Zain's Africa operations In June 2010, Bharti struck a deal to buy
Zain's mobile operations in 15 African countries, in India's second-biggest overseas acquisition after
Tata Steel's $13 billion buy of Corus in 2007. Bharti Airtel completed its $10.7 billion acquisition of African operations from the Kuwaiti firm on 8 June 2010, making Airtel the world's fifth largest wireless carrier by subscriber base. Airtel has reported that its revenues for the fourth quarter of 2010 grew by 53% to US$3.2 billion compared to the previous year, newly acquired Zain Africa division contributed US$911 million to the total. However, net profits dropped by 41% from US$470 million in 2009 to US$291 million in 2010 due to a US$188 million increase in radio spectrum charges in
India and an increase of US$106 million in debt interest.
Warid Bangladesh and Robi In 2010, Warid Telecom sold a majority 70.90% stake in the company to Bharti Airtel for US$300 million. Bharti Airtel Limited took management control of the company and its board, and rebranded the company's services under its own "airtel" brand from 20 December 2010. Warid Telecom sold its remaining 30% share to Bharti Airtel's Singapore-based concern Bharti Airtel Holdings Pte Limited in March 2013. On 16 November 2016,
Airtel Bangladesh was merged into Robi as a product brand of Robi, where
Robi Axiata Limited is the licensee of airtel brand in Bangladesh.
Wireless Business Services Private Limited On 24 May 2012, Airtel announced an agreement to acquire a 60% stake in Wireless Business Services Private Limited (WBSPL) at an investment of . WBSPL was a joint venture founded by Qualcomm and held BWA spectrum in the telecom circles of
Delhi, Haryana,
Kerala and
Mumbai. Qualcomm had spent US$1 billion to acquire BWA spectrum in those 4 circles. The deal gave Airtel a 4G presence in 18 circles. in all the four BWA entities of Qualcomm, thereby making them its subsidiaries. On 18 October 2013, Airtel announced that it had acquired 100 percent equity shares of WBSPL for an undisclosed sum, making it a wholly owned subsidiary.
Augere Wireless Airtel purchased Augere Wireless Broadband India Private Limited, a company that owned 4G spectrum in the Chhattisgarh-Madhya Pradesh circle for an undisclosed sum in December 2015.
The Economic Times estimated Augere's spectrum to be worth . On 16 February 2017, Airtel announced that the merger of Augere Wireless into Bharti Airtel Limited had been completed.
Telenor India On 2 January 2017,
The Economic Times reported that Airtel had entered into discussions with Telenor India to acquire the latter. On 23 February 2017, Airtel announced that it had entered into a definitive agreement to acquire Telenor. As part of the deal, Airtel will acquire Telenor India's assets and customers in all seven telecom circles that the latter operates in -
Andhra Pradesh,
Bihar,
Maharashtra,
Gujarat,
Uttar Pradesh (East), Uttar Pradesh (West) and
Assam. Airtel will gain a 43.4 MHz spectrum in the 1800 MHz band from the Telenor acquisition.
Business Standard reported that it was a no-cash deal, but would cost Airtel 1,600 crore over a 10-year period due to spectrum license payments.
Tikona 4G spectrum On 23 March 2017,
The Economic Times reported that Airtel had acquired
Tikona Infinet Limited's 4G spectrum for approximately 1,600 crores. The deal also includes Tikona's 350 cellular sites in 5 circles. Tikona had purchased 20 MHz of 4G spectrum in the 2,300 MHz band in the 2010 auctions in Gujarat,
Himachal Pradesh, Uttar Pradesh (East), Uttar Pradesh (West) and
Rajasthan for 1,058 crores. Prior to the deal, Airtel did not hold any spectrum in the 2300 MHz band in UP (East), UP (West) and Rajasthan, and held 10 MHz each in Gujarat and Himachal Pradesh. Tikona's co-founder Rajesh Tiwari sent a legal notice to both companies for not providing details regarding the splitting of proceeds among shareholders.
Tigo Rwanda Bharti Airtel announced on 12 December 2017 that its Rwandan subsidiary had signed an agreement with
Millicom to acquire complete control of the latter's Rwandan subsidiary which operates under the brand name of Tigo Rwanda. The deal was estimated to be worth $60–70 million. The company operated as Airtel-Tigo following the merger, until it was rebranded as Airtel Rwanda in January 2020.
Tata Docomo In October 2017, Bharti Airtel announced that it would acquire the consumer mobile businesses of
Tata Teleservices,
Tata Docomo and Tata Teleservices Maharashtra Ltd (TTML), in a debt-free cash-free deal. The deal will essentially be free for Airtel which will only incur TTSL's unpaid spectrum payment liability. TTSL will continue to operate its enterprise, fixed -line and broadband businesses and its stake in tower company Viom Networks. The deal received approval from the
Competition Commission of India (CCI) in mid-November 2017. On 29 August 2018, Bharti Airtel got its shareholders' approval for the merger proposal with Tata Teleservices. On 17 January 2019, NCLT Delhi gave final approval for merger between Tata Docomo and Airtel. On 1 July 2019, the consumer mobile business of Tata Teleservices has become part of telecom operator Bharti Airtel. Airtel will absorb the
Tata Sons-owned telco's consumer mobile operations in 19 circles across India—17 under Tata Teleservices and two under Tata Teleservices (Maharashtra) Ltd. As part of the proposed agreement, Airtel will also take over a small portion of the unpaid spectrum liability of Tata Teleservices. Bharti Airtel will get an additional 178.5 MHz of spectrum in three bands—1800 MHz, 2100 MHz and 850 MHz—that are widely used for 4G, an area where Airtel is expanding fast to keep pace with Reliance Jio Infocomm. Airtel will also add about 13 million of Tata Tele's mobile subscribers as of April 2019 to its nearly 322 million users. But most of Tata Tele's mobile users are inactive, as per the regulator.
Aqilliz In February 2022, Bharti Airtel announced in Airtel Marq 2.0 and 3.0, Airtel Mall, Airtel Clinic that it has acquired a strategic stake in a blockchain startup Aqilliz via its "Airtel Startup Accelerator Program". Singapore-based Aqilliz is a
blockchain-enabled MediaTech startup offering a new age middleware technology for the media marketplace and create a more collaborative digital marketing environment. In Aug 2024, Bharti Global agreed to purchase 24.5% Stake in UK telecom BT Group. ==Airtel India==