PRINCIPLE: 'Wrongful gain' is gain by unlawful means of poverty to which the person gaining is not legally entitled. 'Wrongful loss' is the loss by unlawful means of property to which the person losing it is legally entitled.
FACTS: 'X' takes away 'Y's watch out of Y's possession, without 'Y's consent and with the intention of keeping it.
X has caused wrongful loss to Y by depriving him of his property that is his watch without his permission and by unlawful means. X has also caused wrongful gain to himself by transferring the watch to himself to which he has absolutely no legal entitlement. Gain and loss may not only mean monetary gain or monetary loss, non-enjoyment of the property or unlawful enjoyment of the property are also examples of wrongful loss and wrongful gain.