This document contains the original judgement from the Supreme Court of India in the case of Chand Patel v. Bismillah Begum & Anr, dated 14 March 2008. The case addresses a complex legal question regarding the validity of a marriage performed by a Muslim man to his wife's sister while his first marriage was still subsisting. It examines whether such a marriage is void or merely irregular under Muslim law and its implications for maintenance claims. This judgement is crucial for legal professionals and anyone interested in family law and personal status laws in India.