Construction projects for high-rise buildings are complicated, entailing several parties and different tasks. The timely completion of such projects is crucial to avoid cost overruns and client dissatisfaction. However, delays are common in the construction industry, especially in high rise building projects. Therefore, this research aims to investigate the causes of delays in high rise building construction projects in Pune city through a case study approach. The results of this research indicate that the most significant causes of delays in high rise building construction projects in Pune city are inadequate planning, poor communication and coordination among project stakeholders, delays in approvals and permits, shortage of skilled labour, and changes in project scope and design. Construction projects frequently experience delays, particularly in high-rise building projects. This research paper aims to investigate the causes of delays in high-rise building construction projects in Pune city, India. A case study approach was used, and data were collected from several ongoing construction location for a high-rise in Pune. The study identified various causes of delays, such as poor project planning and scheduling, inadequate project management, material shortage, poor communication among project stakeholders, and weather conditions