Airtel is a major Indian telecommunications company that provides cellular, internet, and landline services. It is owned by Bharti Airtel and has over 7 million customers across India. Airtel was the first company to offer GSM mobile services in India and has since expanded to offer 3G and 4G services. Airtel also offers prepaid services which allow customers to pay for talk time in advance, giving them control over their cellular expenses. According to a survey in Noida, 40% of customers preferred Airtel for its coverage and schemes compared to competitors like Reliance and BSNL.