Delhi University — I m complaining about my OBE exam result even after atteding I got absent

I, Yash Gupta student of Motilal Nehru College (Morning) .I attend all obe exam but in one subject i.e introductry microeconomics got Absent even after attending . I got an email for my submission.After my result i consulted with my nodal officer and even examination head of north campus but no response from that side .so please requested to u rectify my error as soon as possible 🙏