For ex: I am having a course : Core tech.
If I open that link, it should show me different courses like C JAVA C++ and so on.
In each course I will add the course materials week wise.
How to do that?
Not an answer but a workaround:
Normally I use the category tree for course-organisation, in the same way as the organisation hierarchy is organised.
If I have a group of courses which do not fit in that model, I use the HTML block for interconnection: