Whether a case for grievous harm can be won depends on several factors, such as the evidence available, the intent of the offender, the severity of the injury, and the credibility of the witnesses. Having a witness who is a doctor can help establish the extent and impact of the injury on the victim. Having a witness who is an investigating officer (IO) can help establish the circumstances and facts of the case. However, these witnesses alone may not be enough to prove beyond reasonable doubt that grievous harm was committed by the offender. The offender may have defences available to them, such as self-defence, provocation, consent, duress or insanity' The offender may also challenge the reliability or accuracy of the witnesses’ testimonies. Therefore, it is important to have strong and consistent evidence to support your case. If you are involved in a case of grievous harm as either a victim or an accused person, you should seek legal advice from a qualified criminal defense lawyer as soon as possible. A lawyer can help you understand your rights and options and represent you in court if necessary.