This paper investigates the transformative shift in marketing from mass communication to hyper-personalization, specifically examining how Indian companies are leveraging Artificial Intelligence (AI) tools to redefine customer experience. As consumer expectations for tailored interactions grow, traditional segmentation proves insufficient, prompting brands to adopt AI for real-time data analysis, predictive analytics, and dynamic content generation to achieve a "segment-of-one" approach. The review explores various AI-enabled strategies, including personalized recommendations, intelligent chatbots, and customized loyalty programs, highlighting their successful implementation by leading Indian firms. While these strategies yield significant benefits in terms of enhanced customer engagement, loyalty, and operational efficiency, the paper also addresses critical challenges such as data privacy, algorithmic bias, and the potential for over-personalization within the evolving Indian regulatory landscape. Ultimately, this research underscores AI's pivotal role in enabling Indian marketers to deliver truly individualized customer journeys, fostering stronger relationships and competitive advantage