UPSC Prelims 2014 Question:

In the Constitution of India, promotion of international peace and security is included in the

Explanation: 

• The Directive Principles of State Policy are enumerated in Part IV of the Constitution from Article 36 to Article 51. The framers of the Constitution borrowed this idea from the Irish Constitution of 1937, which had copied it from the Spanish Constitution.
  
  
• Article 51 of the Constitution of India in Directive Principles of State Policy contains the provision related to the promotion of international peace and security. It says that, the State shall endeavor to promote international peace and security and maintain just and honorable relations between nations foster respect for international law and treaty obligations in the dealings of organized peoples with one another; and encourage settlement of international disputes by arbitration.
  
  

Therefore, option (2) is the correct answer. 

Subject: Polity | Directive Principles of State Policy