Criminal law that primarily defines the types of crime, determines the degree of crimes and respective punishment, and lastly also explains the procedure to punish a perpetrator, is well defined and codified law. Likewise, if someone commits a crime, then under the criminal law provision, he or she is penalize based on the degree of the committed crime. Normally, accordingly to the procedure, first he is arrested, put on trial, and, if found guilty, then finally punished. Analysis of the definitions of particular crimes as well as the universal rules that govern all crimes is known as substantive criminal law. On the other hand, an examination of the legal guidelines controlling the tracking down, looking into, and prosecution come under the procedural criminal law.