IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-3-33935 Original Research Paper EVALUATION OF MIDDLE EAR RISK INDEX IN PATIENTS UNDERGOING MIDDLE EAR SURGERY Mittal Dr. Chirag Yashlaha Dr. Aarchy Chaudhary Jain Dr. March 2021 10 3 01 02