<prompt> All the following are related to legal responsibility of an insane person except -Mc Naughtens ruleDurhams ruleCurrens ruleRule of nine  <response>: The Essentials Forensic Medicine Toxicology Dr.K.S. Narayana Reddy 32nd edition pg no 305 RULE OF NINE is used to estimate the extend of surface of burns occurs .9for head and neck ,9for upperlimb ,9 for the front of lower limb 9for each back of lower limb ,9 for front of the chest, 9 for back of the chest, 9 for the front and 9 for the back of the abdomen. 99 of the body 