Mobile phone service operators

* Aircel

Aircel, headquarted in New Delhi, India has absorbed Cingular Wireless, and offers 2G service using GSM technology and 3G service using UMTS technology.

* Airtel

Airtel, with its head offices in both Mumbai, India provides 2G service using GSM and 3G service using UMTS/HSPA technology

* BSNL

BSNL, headquartered in New Delhi, is a public listed company and is state-owned. It offers 2G service using GSM and 3G service using UMTS. It was the first service provider to introduce 3G services in India.

* MTNL

MTNL, headquartered in Mumbai is a public listed company and is state-owned and offers 2G service using CDMA and 3G service using GSM.

* Idea Cellular

Idea Cellular, headquarted in Mumbai, has absorbed Cingular Wireless, and offers 2G service using GSM technology and 3G service using UMTS technology.

* Ping Mobile
* Tata Indicom

Tata Indicom, with its head offices in both Navi Mumbai provides 2G service using cdmaOne and 3G service using CDMA2000 technology.

* Tata DoCoMo

Tata DoCoMo is joint venture company of Tata Teleservices and NTT DoCoMo

* Reliance Communications

Reliance Communications, with its head offices in both Navi Mumbai, Maharashtra provides 2G service using cdmaOne and 3G service using CDMA2000 technology.

* Loop Mobile India (Formerly BPL Mobile)

Loop Mobile India, is a mobile phone service provider in Mumbai, Maharashtra, India

* Emirates Telecommunications Corporation (formerly SWAN Telecom)
* Virgin Mobile
* Vodafone Essar (Formerly Hutchison Essar/Hutch Orange/Hutch Pink)
* Videocon Mobile Service (Formerly Datacom Solutions)
* Uninor
* MTS India
* S Tel
* Virgin Mobile GSM
* Spice Telecom