Cellular services in India are provided through GSM and CDMA networks by major players like Airtel, Reliance, Vodafone, Idea, and BSNL. The market is dominated by pre-paid subscriptions, with around 80% of subscribers in the pre-paid segment. Major players include Airtel, the largest provider; Vodafone, which has operations across India and globally; Idea, which operates in several states; and Reliance, which uses CDMA technology. The cellular industry in India has grown significantly since services were launched in 1999.