it is the medical examination of body after death to find out the cause of death. in this, first small tissue collected and then examined chemically and microscopically. The word autopsy is derived from the Greek autopsia, meaning “the act of seeing for oneself. to perform this technique there is a need of permission from nearest relative of dead body. Autopsy help to establish time of death and cause of death. it can also find the disease from which person was suffered.