A case report of post COVID-19 Sino-alveolar Mucormycosis infection and its management. The patient was diagnosed with COVID-19 and superimposed diabetes mellitus, thus treated according to the persisting protocols. Following recovery, on the 20th day, the patient developed multiple abscess and mild pain in his left maxillary region. A diagnosis of mucormycosis was established after contrast-enhanced computed tomography and cytology. Surgical debridement and antifungal management was given. Patient was recovered and discharged from hospital within 10 days.