Generated from biological source, infectious or biohazardous waste poses serious health risks to environment, humans and animals. Body parts, tissues, blood and body fluids and sharp wastes are examples of such biohazard waste materials that can be harmful to both environment and human health if disposed off without proper sterilization. In order to prevent their adverse effects, these wastes must be sterilized in autoclave before final disposal and biohazard bag is an important part of this process. Wastes are kept in biohazard bags and put in autoclave machine.