Dying can be a peaceful event or a great agony when it is inappropriately sustained bylife support.” – Roger Bone. Taking away life by killing with an emotion of mercy? This is what famously called mercy killing. “The desire of death of a terminally ill patient is a peaceful gateway of life.” This thought evokes a humanly emotion of mercy to release the terminally ill person from painful suffering and invites he word mercy killing. It is the combination of two contradictory worse living together what happens when two contradictory people say together? It creates complex issues; same way these words cause the most complex issues relating to ethic, law, morality, humanity and society. This is not the question whether the action of killing is right. But the question is whether such mercy associated with the action of the line of being bad i.e. when such killing gives peaceful death and when it turns into murder in the eyes of law. Then one can question whether the actions could be misused and overused. And whether there is need of such laws at all. In this paper an attempt is made to analyze euthanasia by way of arguments both for and against legalizing euthanasia in India.