Nash Equilibrium is an assumption of game theory where the finest outcome of a game is one where no player has an enticement to depart from his or her chosen approach after considering an opponent’s abundance. Overall, a person can obtain no incremental advantage from changing actions, assuming other players stay steady in their strategies. A game may have numerous nash equilibrium or none at all. Informally, a set of strategies is Nash equilibrium if no player can do improved by unilaterally changing his or her approach.