Bharti Airtel Limited, now a days known as Airtel, is an Indian multinational telecommunications services company.It operates in 20 countries with GSM network providing 2G,3G and 4G. Airtel is worlds 3rd largest mobile telecommunications company with over 261 million subscribers across 150 countries.Sunil Mittal founded the Bharti Group.Airtel network almost covers 86.6% of the country’s(India) population .Airtel…