A PhD requires completing a bachelor's degree and then a master's degree in a related field. After that, you need to clear entrance exams like UGC NET or university-level tests. It is a research-based programme that usually takes 3-6 years to complete. Students should focus on building strong concepts, academic consistency, and research skills from an early stage. You can learn how to complete a PhD step-by-step from here: PhD (Doctor of Philosophy) Course Details