1) The document compares the marketing strategies of Airtel and Idea in India's competitive telecommunications industry. 2) After liberalization in 1994, India saw 12 major telecom players emerge to provide cellular services, with intense competition driving new customer-focused initiatives like celebrity endorsements, loyalty programs, and discounted call plans. 3) Airtel achieved early success through heavy celebrity endorsements that helped it become the market leader by 2005, while Idea also utilized celebrity endorsements among other strategies.