This document discusses quality management, quality assurance, and quality control in the pharmaceutical industry. It defines quality and describes the differences between quality assurance and quality control. Quality assurance ensures quality through planned systematic activities like process validation and documentation, while quality control finds and eliminates quality problems through testing. The document also outlines principles of quality management like customer focus, leadership and continual improvement. It describes aspects of quality management like quality assurance, quality control, GMP, and production control. Finally, it discusses techniques used for raw material control, in-process control, and environmental control in pharmaceutical quality management systems.