Bharti Airtel is India's largest cellular service provider with over 110 million subscribers. Formerly known as BTVL, it transitioned to providing mobile, fixed-line, broadband, and enterprise services. As the market leader, Airtel competes nationally with Vodafone, BSNL, Idea, and smaller providers. Its competitive strengths include a nationwide footprint covering 92% of subscribers, a strong brand recognized for quality, and strategic relationships with investors. The presentation analyzed Airtel's success in capturing market share through celebrity endorsements in advertising.