This document discusses documentary evidence in criminal trials under Pakistani law. It begins by introducing the stages of a criminal trial and the types of evidence presented. It then focuses on documentary evidence, explaining how documents are admitted into evidence and the best evidence rule. Key points include: documents must be properly submitted by the prosecution or defense and examined; the contents of a document are proven by the document itself under the best evidence rule; and documentary evidence has precedence over oral testimony in contradicting a document's contents according to Articles 102 and 103 of Pakistan's Evidence Act.