<prompt> Which of the following isare dangerous injury in forensic science ?Injury causing endanger to life if not treated timelyHearing lossLoss of 2-3 teethSynonymous with grievous injury  <response>: Ans. is a i.e., Injury causing endanger to life if not treated timely Injuries can be divided into i Simple ii Grievous and iii dangerous.A simple injury is one which is neither extensive nor serious, and which would heal rapidly without leaving any permanent deformity or disfiguration.A grievous injury is one i Which is extensive or serious ii Which does not heal rapidly, and iii Which leaves a permanent deformity or disfiguration.Emasculation cutting of the penis, castration; or causing loss of power of erection due to spinal injury.Permanent privation of the sight of either eye.Permanent privation of the hearing of either ear .Privation of any member pa, organ, limb or joint.Destruction or permanent impairing of powers of any member or joint.Permanent disfiguration of head or face.Fracture or dislocation of a bone or a tooth.Any hu which endangers life or which causes the sufferer to be, during the space of twenty days in severe bodily pain, or unable to follow his daily routine.Section 319 IPC defines hu as bodily pain, disease, or infirmity, caused to any person. 