Article 54 of the Indian Constitution

Election of President.—The President shall be elected by the members of an electoral college consisting of—(a) the elected members of both Houses of Parliament; and(b) the elected members of the Legislative Assemblies of the States.2[Explanation.—In this article and in article 55, ―State‖ includes the National Capital Territory of Delhi and the Union territory of *Pondicherry.]

Article 53 of the Indian Constitution

Executive power of the Union.—(1) The executive power of the Union shall be vested in the President and shall be exercised by him either directly or through officers subordinate to him in accordance with this Constitution.(2) Without prejudice to the generality of the foregoing provision, the supreme command of the Defence Forces of the Union … Read more

Article 51 of the Indian Constitution

Promotion of international peace and security.—The State shall endeavour to—(a) promote international peace and security;(b) maintain just and honourable relations between nations;(c) foster respect for international law and treaty obligations in the dealings of organised peoples with one another; and(d) encourage settlement of international disputes by arbitration.