What is Section 497 IPC? Know India’s adultery law and why has it been challenged

Section 497 of the IPC punishes a man who is in an adulterous relationship with a married woman without the consent of her husband. It lets off the woman who is an equal participant in the extramarital relationship. Also, the law allows only the aggrieved husband of the adulterous woman to complain, and not the wife whose husband is cheating on her. Centre has defended the law saying it is essential to preserve the institution of marriage. Here is everything you want to know about India's adultery law