This document provides a clear analysis of the Micro, Small, and Medium Enterprises (MSME) definitions under the MSMED Act, 2006. It details both the existing and the newly proposed definitions, outlining the investment and turnover criteria for manufacturing and service sectors. The document is useful for businesses seeking to understand their MSME classification and eligibility. It also includes notes on what constitutes an MSME and specific exclusions for calculating investment in plant and machinery.