Sir i failed in my physics exam last year and got compartment but i failed in my july compartment exam aswell, then i applied for the march compartment exam but mistakenly i entered all my 5 subjects in my form and i passed in physics but i was still marked fail because i was absent in the other 4 subjects so now i wanna give my compartment again this year in july but when im entering my details on the cbse site its showing INVALID APPLICATION NUMBER please help me what should i do??