IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-4-48163 Original Research Paper Assessment Of Haematological And Biochemical Parameters In Petrol Pump Workers In Amritsar, Punjab- A Comparative Study Vivek Bharmota Dr. Dr. Permeet Kaur Bagga Dr. Dr. Jiteshwar Singh Pannu Dr. April 2023 12 4 01 02 ABSTRACT