To create subject with respect to class, click on Academic -> Subject -> New Subject.
Form will appear. Fill the details.
To add paper code in particular subject, click on + button in Paper section. Fill the details.
To add time table of particular subject, click on + button in Time Table section. Select the teachers -> Save. Fill the details.
Click on Save.
To see the listing of subjects, click on Subject -> List of Subject.
To edit the subject, right click on it -> Edit Subject.