Which of the following is a Directive Principle of State Policy?

Correct option is D

The correct answer is (d) To maintain social order for the promotion of public welfare.

• The directive "to maintain social order for the promotion of public welfare" is enshrined in Article 38 of the Directive Principles of State Policy (DPSP) in the Indian Constitution.
• It directs the state to promote the welfare of the people by securing and protecting a social order in which justice— social, economic, and political—shall inform all institutions of national life.
  

Information about the other options:

• To cherish and follow the ideals of the national struggle: This is a Fundamental Duty, listed under Article 51A(b) of the Constitution.
• To strive towards excellence in all spheres of individual and collective activity: This is also a Fundamental Duty, under Article 51A(j).
  To abide by the Constitution and its ideals: This is a Fundamental Duty, under Article 51A(a).
  

Information Booster:

•  The Directive Principles of State Policy (DPSP) are enumerated from Articles 36 to 51 in Part IV of the Indian Constitution.
•  DPSP borrowed from the Irish Constitution.
• The Directive Principles of State Policy are non-justiciable, meaning they are not enforceable by courts.
•  However, they are fundamental in guiding the state in policymaking to establish social and economic democracy.