The Directive Principles of State Policy are explained in Part IV of the Indian Constitution. This system has been taken from the Constitution of which country?

The correct answer is (D) Ireland.

• The Directive Principles of State Policy (DPSP) are enshrined in Part IV of the Indian Constitution from Articles 36 to 51, and this visionary concept was borrowed from the Irish Constitution of 1937, which had itself copied it from the Spanish Constitution.
• These principles act as vital guidelines for the framing of laws by the government, aiming to establish a socio-economic democracy in India and secure a welfare state, although they are non-justiciable in nature as per Article 37.
• Option (A) Britain provided the concept of single citizenship and parliamentary form of government, Option (B) South Africa contributed the procedure for constitutional amendment under Article 368, and Option (C) U.S.A. served as the source for Fundamental Rights and judicial review.