The two reasons are:
(i) Prudential Reasons: These lay emphasis on better outcomes of power sharing.
(a) Power sharing helps to reduce the possibility of conflict between the social groups. Thus it ensures the stability of political order.
(b) Its absence results into imposition of will by majority community, which undermines the unity of nation.
(ii) Moral Reasons: These stress on power sharing as a valuable act because:
(a) It is the very spirit of democracy.
(b) A democratic rule involves it with those affected by its exercise and who have to live with its effects.
(c) A legitimate government is the one where citizens acquire a role in the system through participation.
