This book is a complete and carefully researched guide for UP APO (Assistant Prosecution Officer) aspirants. It is designed to help students understand and master the New Criminal Laws — Bharatiya Nyaya Sanhita (BNS), Bharatiya Nagarik Suraksha Sanhita (BNSS), and Bharatiya Sakshya Adhiniyam (BSA). Written in simple and clear language, the book provides detailed explanations, comparative charts with old laws, and practical examples for easy understanding. It covers both Prelims and Mains requirements, making it a one-stop solution for APO preparation. Each chapter reflects deep research, conceptual clarity, and a focus on new provisions introduced in the Indian criminal justice system. This edition also includes important case laws and notes that help aspirants connect theory with practical application. Published by Ambition Publications, trusted by law aspirants across India, this book aims to guide you step-by-step towards success in the UP APO examination and beyond. 📍 For more information: 110, Virat Bhawan, Dr. Mukherjee Nagar, Delhi-110009 📞 +91-8506050204 | 011-49872382