Master's degree is a postgraduate course that can be done only after graduation.
There are two types of master's degrees: course-based master's degrees and research-based master's degrees.
In a course-based master's degree, the student follows a program of lectures, seminars and supervisions, as well as choosing their own research project to explore. Research Master's degree, the student does more independent work, pursues a longer research project and here the student gets less teaching time.
The duration of Master's degree can be 2 years 3 years. Also the master's degree course can be distance learning or regular education, all depend on the type of master's degree course that the student is opting for.