The correct answer is option 4 - Right to life. Article 21 of the Constitution of India states that no person shall be deprived of their life or personal liberty except according to the procedure established by law. This means that every individual has the right to live with dignity and enjoy personal freedoms. It protects not only the physical existence of a person but also their right to privacy, to live without any kind of physical or mental torture, and to be treated with dignity. It is a fundamental right that ensures the protection of life and personal liberty of every citizen in India.

Alert - correct answer should be "Right to life and personal liberty"