This is a portable type UV surface/air sterilization device to disinfect & sterilize the major & minor operation theater using UVC radiation. Depending on the model and room size the unit will deliver the necessary dose of UV light which will kill all the virus and bacteria's present in the air & surface of operation theater & equipment in the OT. Since it is a light based technology the high intensity light from the unit and reflected light from the surface will rupture the DNA of the bacteria there by stop the reproduction & multiplication. The dosage/time depends on the size of OT varies from 15 to 30 minutes. The unit allows staff of hospital & other places to disinfect confidently any place including patient rooms, intensive care units, operating rooms, emergency rooms and public areas killing pathogens, including the most common Health care Associated Infections (HAI) culprits Clostridium difficile diff, Methicillin-Resistant Staphylococcus Aureus (MRSA), Carbapenem-Resistant Enterobacteriaceae (CRE) and other bacteria that affect patient health conditions.