Consider the following statements in the context of landmark judgements related to Article 21 of the Indian Constitution and select the correct ones.

A. In the case of Maneka Gandhi v. Union of India, the Supreme Court expanded the interpretation of the right to life and personal liberty to include the right to live with human dignity.
B. A.K. Gopalan v. State of Madras established the principle that the rights to life and personal liberty are not only protected from the executive action but also from legislative action that does not follow the due process.
C. Sunil Batra v. Delhi Administration focused on the rights of prisoners and emphasized that handcuffing is a prima facie inhuman act and a convict or undertrial does not become a non-person.
D. In Olga Tellis v. Bombay Municipal Corporation, the Supreme Court held that the right to livelihood is inherent to the right to live with human dignity and thus falls under the protection afforded by Article 21.