IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-14-3-62207 Original Research Paper Comparative Analysis Of Occupational Noise Induced Hearing Loss In Mining And Non Mining Workers Using Pure Tone Audiometry (PTA) At A Tertiary Care Hospital, Udaipur (Rajasthan) Mathur Dr. Vipul Mathur Dr. March 2025 14 3 01 02