In Justice K.S. Puttaswamy
v. Union of India (2017), a nine-judge Bench of the Supreme Court held that the right to privacy is -

In Justice K.S. Puttaswamy v. Union of India (2017), a nine-judge Bench of the Supreme Court authoritatively held that the right to privacy is an integral and inseparable part of the right to life and personal liberty guaranteed by Article 21 of the Constitution, and that it is intrinsic to the dignity of the individual. The Court overruled the earlier decisions in M.P. Sharma and Kharak Singh to the extent they held that no such right existed. Privacy is not a mere statutory creation of the Information Technology Act, nor is it confined to speech under Article 19(1)(a), and it operates as a fundamental right rather than a directive principle or a common law entitlement defeasible by ordinary legislation. The correct statement is therefore that privacy inheres in Article 21 as part of Part III.