This document contains the full judgment from the Supreme Court of India in the civil appeal case of Lachhmi Narain Singh & Ors versus Sarjug Singh & Ors. The case revolves around the validity of a Will executed by Rajendra Singh and a subsequent deed of cancellation. It details the legal arguments and evidence presented, including expert testimony on thumb impressions and the High Court's reversal of the Trial Court's decision. This judgment will be of interest to legal professionals, students, and anyone involved in probate or inheritance disputes.