"To uphold and protect the Sovereignty, Unity and Integrity of India" is a provision made in the

  1. Preamble of the Constitution
  2. Directive Principles of State Policy
  3. Fundamental Rights
  4. Fundamental Duties


Article 51A(c) of the Constitution of India says that it shall be the duty of every citizen of India to uphold and protect the sovereignty, unity and integrity of India. This is a part of 4A of the Constitution consisting of the Fundamental Duties.

The correct option is D.