Correct option is (c) Article 21
In Justice K. S. Puttaswamy (Retd.) and Anr. vs Union Of India And Ors - landmark judgment of the Supreme Court of India, held that the right to privacy is protected as a fundamental right under Articles 14, 19 and 21 of the Constitution of India.
Right to privacy is protected as an intrinsic part the right to life and personal liberty under Article 21 and as a part of the freedoms guaranteed by Part III of the Constitution.