This document presents the findings of a case study on health and safety knowledge and compliance on construction sites in Gwalior, India. A questionnaire and interviews were used to assess health and safety knowledge, compliance levels, and their impact on project performance among technical workers and construction laborers. The study found that technical workers had high levels of health and safety knowledge but moderate compliance, resulting in high project performance. Construction laborers had moderate knowledge but low compliance, resulting in moderate project performance. The study concluded that both worker groups need high levels of knowledge and compliance with health and safety programs to maximize positive impact on project performance.