If you want to apply conditional validation of less than equal to validation on obtained marks or practical exam marks then Total Marks must be 100.
{{userFormGroup.controls.totalMarks.errors.lessThanEqualTo.message}}
If you want to apply conditional validation of less than equal to validation on 'Obtained Marks' then then Total Marks must be 100.
Conditional Expression with type 'string'
{{userFormGroup.controls.practicalExamMarks.errors.lessThanEqualTo.message}}
If you want to apply conditional validation of less than equal to validation on 'Obtained Marks' then then Total Marks must be 100.
Conditional Expression with type 'function'
{{userFormGroup.controls.obtainedMarks.errors.lessThanEqualTo.message}}