The Supreme Court has struck down a British-era law that had deemed adultery a criminal offence. On Thursday, 158 years after the law was passed, a five-judge bench of the apex court said it is unconstitutional. The unanimous judgment also stressed that the 'archaic' law violated the right to equality and disallowed women from exercising their freedom of choice. We take a look at what the 1860 law had observed and what the Supreme Court judges said today.