Victims of involuntary disappearance suffer from physical/mental injury, emotional suffering, economic loss resulting in substantial impairment of fundamental rights, through acts or omissions that constitute gross violations of international human rights law, or humanitarian law. It also reveals that even the rights of immediate family of a victim of involuntary disappearance are violated. Unlike olden times, the rights of the sufferers of involuntary disappearance are now well protected under various international instruments. This paper throws light on acts of involuntary disappearance, as one of the worst case of violation of human rights.