[1]IMS and SUM Hospital Siksha''''O''''Anusandhan University K8 Kalinganagar Bhubaneswar 751003 Odisha India;
[2]Department of Otorhinolaryngology IMS and SUM Hospital Siksha''''O''''Anusandhan University K8 Kalinganagar Bhubaneswar 751003 Odisha India;
Antibiotics; Chronic suppurative otitis media; Gram negative bacteria; ESBL; MBL;