In the daily life, crime keeps increasing and threatens the lives of the people in public. The accuracy and time of tracing are robust while data mining technique is indulged. The hurdle in the process starts from selecting the related variable for analysis and their sensitiveness. The research work carried on the crime is potential area that requires optimization. The quantum of the data and volatility makes the field challenging. In this paper summarized the various existing techniques. © 2016, International Journal of Pharmacy and Technology. All rights reserved.