Tata Autocomp Systems is a leading Indian manufacturer of automotive components that provides products and services to automotive manufacturers globally. It uses several industrial processes like Six Sigma, Kaizen, ERP, and ISO standards to improve quality, efficiency and reduce costs. For Six Sigma, Tata Autocomp identified problems in production processes, measured performance gaps, analyzed causes, implemented improvements, and established control mechanisms. This effective implementation of Six Sigma across sub-projects has helped Tata Autocomp reduce error rates and move closer to its target.