The PhD course duration in India typically ranges from 3 to 6 years, depending on the field of study and research progress. During this period, students engage in coursework, comprehensive exams, research, and thesis writing. Universities may extend the PhD course duration based on the complexity of research or part-time enrollment. The first year focuses on research methodology, whil... https://www.aimlay.com/phd-course-duration-india-usa-us-iit/