This article discusses the importance of Good Manufacturing Practices (GMP) in the Bio-Pharma and MedTech Industry, its functions, regulations, impact, and evolution. It also explains how GMP can be effectively embedded in an organization dealing with Bio-Pharma and Met-Tech. The article highlights the need for standardization of services and products in the industry and the role of GMP in achieving the highest standards of manufacturing. It also discusses the regulations prescribed by competent authorities and the impact of GMP on the feedback chains. The article concludes by discussing the three main associations working towards harmonizing GMP guidelines at an international level.