The main objective of the present article is to critically evaluate efforts undertaken by the Govt. to abolish the manual scavengers and to study the reasons for the failure of such programs: Secondary data such as articles, Books, legislations related to manual scavengers were used to meet the study objectives. The Scavenger and sewage workers suffer mainly from chemical and biological hazards. This can be prevented through engineering, medical and legislative measures. The engineering measure should focus on making the process more mechanistic.