Master the absolute foundation of the criminal trial under the modernized BNSS legal framework. A criminal trial stands or falls entirely based on the integrity, accuracy, and legal compliance of the police investigation. Police Diaries: Investigation, Statements and Reports, published by the prestigious Orient Publishing Company, is widely celebrated as the definitive masterwork on investigative criminal procedure in India. Now in its heavily revised 3rd Edition (2026), this authoritative two-volume set provides an uncompromised roadmap to processing police records without breaking statutory mandates. This set bridges traditional investigative rules with the profound systemic shifts introduced by the implementation of the Bharatiya Nagarik Suraksha Sanhita (BNSS), 2023, making it an essential companion for commanding the modern courtroom.

Key Features & Updates of the 3rd Edition

Aligned with the BNSS 2023 Regime� Completely updated to guide professionals through the structural changes under the new criminal procedural law.

Exhaustive 2-Volume Coverage� Complete, detailed mapping of how case diaries are written, how witness statements are recorded, and how final reports are filed to withstand judicial scrutiny.

Advanced Cybercrime & Forensics Treatise� Features specialized chapters detailing modern electronic logging, data preservation strategies, and forensic science mandates.

Scientific Evidence Guidance� In-depth legal perspectives on advanced evidentiary techniques including DNA profiling, brain fingerprinting, narco-analysis, and polygraph testing.

Ready-to-Use Practical Assets� Packed with structural flowcharts, ready-reckoners, and actionable model formats to eliminate procedural errors.

Who is this Set For?

Criminal Defense & Prosecution Advocates: Crucial for pinpointing loopholes in police documentation, validating case records, and planning strategic cross-examinations.

Police Officers & Investigating Agencies: A step-by-step operational handbook to conduct error-free investigations, draft legally sound diaries, and process digital evidence correctly.

Judges & Trial Magistrates: A highly dependable bench reference manual used daily to evaluate charge sheets, supervise remands, and assess the validity of police statements.

Judiciary & APP Aspirants: An indispensable textbook required to master the completely restructured procedural and investigation-based syllabus for competitive state exams.