The assessment weightages defined for each study term must be assigned to each subject for which an exam will be scheduled.
At the top of your dashboard, click the module access icon > Academics > Examination > Settings > ICSE Settings > Assign Weightages to open the Assign weightages to Subjects page.
Select a class.
Select a subject.
Select the weightages that are applicable to the subject.
Click the Save button
For more information, watch this-