“Basic structure” doctrine has been declared by the Supreme Court in

Correct answer: Keshavananda Bharati Case

Explanation: ✅ Correct Answer: C) Keshavananda Bharati Case 📚 Explanation: In 1973, the Supreme Court of India ruled in the Keshavananda Bharati case that Parliament has the power to amend the Constitution but cannot change its 'basic structure'. This was a landmark judicial decision. The doctrine ensures that the fundamental features of the Constitution, like democracy and secularism, remain permanent. it protects the essence of the law from being destroyed by political changes.