Consider the following statements regarding case laws about the amendment of the Indian Constitution and pick the correct ones.

Statements:

A. In the Kesavananda Bharati vs. State of Kerala case (1973), the Supreme Court held that the basic structure of the Constitution could not be altered by an amendment.
B. The Golaknath vs. State of Punjab case (1967) ruled that Parliament could amend any part of the Constitution, including the Fundamental Rights.
C. In the Minerva Mills vs. Union of India case (1980), it was held that the 'Harmony and Balance' between Fundamental Rights and Directive Principles is an essential feature of the basic structure of the Constitution.
D. The Shankari Prasad vs. Union of India case (1951) decided that Article 368 gives unlimited power to the Parliament to amend the Constitution, and such amendments cannot be questioned in a court of law.