Option 1: Kesavananda Bharati vs. State of Kerala - This judgment was significant as it introduced the concept of the `basic structure doctrine`. It declared that though the Parliament has the power to amend the Constitution, it does not have the power to destroy, narrow down or obliterate its basic features or its essential elements.

Option 2: Golak Nath vs. State of Punjab - This judgment declared that the Parliament does not have the power to amend any of the provisions of Part III of the Constitution, which deals with fundamental rights. It held that the power to amend the Constitution does not extend to the fundamental rights, and any amendment that violates or takes away the fundamental rights would be considered unconstitutional.

Option 3: Champakam Dorairajan vs. State of Madras - This judgment dealt with the issue of reservations in educational institutions and public services based on religion and caste. It declared that the state cannot make reservations solely based on religion or caste, as it violates the fundamental right to equality.

Option 4: Minerva Mills Ltd. vs. Government of India - This judgment established the principle of `basic structure doctrine` as an essential feature of the Indian Constitution. It held that the Parliament cannot amend the Constitution in a way that takes away or destroys