A PhD course duration varies depending on the subject, research requirements, and the student’s dedication. On average, a PhD in India or abroad takes between 3 to 6 years to complete. The first year often focuses on coursework and research proposal preparation, followed by years of independent research, data collection, and thesis writing. Some students may finish sooner if their res... https://www.aimlay.com/phd-course-duration-india-usa-us-iit/