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To analyse the outcome of transnasal endoscopic repair of CSF Rhinorrhea in a tertiary care centre. This is a retrospective study conducted on 81 patients who underwent CSF Rhinorrhea repair in a tertiary care hospital for a period of 11 years. Following confirmation of diagnosis using bio-chemical and radiological investigations, all patients underwent transnasal endoscopic repair of CSF Rhinorrhea using a multilayer graft. Patients were followed up for 6 months. The most common etiology in our study was spontaneous CSF rhinorrhea (60.49%) and subjects with BMI > 25.5 kg/m2 were more prone to it. Cribriform plate was found to be the most frequent site of leak in our study (58.02%), followed by fovea ethmoidalis (12.35%). Overall success rate was 96.30%. Transnasal endoscopic approach for cerebrospinal fluid rhinorrhea repair shows good success rate and also offers the advantages of better visualization and identification of site of leak, less complications, rapid postoperative recovery, and low recurrence rate. Transnasal endoscopic CSF Rhinorrhea repair has shown good results in terms of low recurrence rates and high patient satisfaction among other advantages. Hence this approach should be commonly used for CSF rhinorrhea repair by surgeons. [ABSTRACT FROM AUTHOR]