IndiGo has become the largest and most profitable airline in India within a decade of operations through effective marketing strategies. This document analyzes IndiGo's strategies, including how it successfully launched in a struggling industry by focusing on low costs and punctuality. It dominated market share by positioning as the low-cost leader and marketing its low prices and on-time performance. IndiGo gained customers through value-for-money experiences on its fuel-efficient fleet and consistent profits. The analysis seeks to understand IndiGo's strategies and provide recommendations to sustain its leadership position amid changing industry conditions.