This study, 'MSME: A Game Changer', provides a comprehensive overview of the updated definition and registration process for Micro, Small, and Medium Enterprises (MSMEs) in India, following the June 2020 notification. It details the shift from 'Udyog' to 'Udyam' registration, the revised criteria based on investment and turnover, and the numerous benefits available to registered MSMEs, including financial incentives and preferential treatment in government tenders. This guide is essential for business owners, professionals, and anyone looking to understand or leverage the MSME sector in India.