The bench comprising Chief Justice Dipak Misra and Justices R F Nariman, A M Khanwilkar, D Y Chandrachud and Indu Malhotra struck down the 158-year-old law which made adultery a punishable offence and held that Section 497is unconstitutional. Section 497 of the 158-year-old IPC says: “Whoever has sexual intercourse with a person who is and whom he knows