The *Youth Publication UPSI Mool Vidhi Book* is an essential resource for aspirants preparing for the Uttar Pradesh Sub-Inspector (UPSI) examination. Published by Youth Competition Times, a trusted name in competitive exam preparation since 1983, this comprehensive guide covers the *Mool Vidhi* (Fundamental Law) and Constitution syllabus in Hindi. Tailored to the latest exam pattern, it includes chapter-wise study material, over 2,000 solved previous years’ questions, and detailed explanations for critical topics like the Indian Penal Code, Criminal Procedure Code, and Constitutional Law. With updated content reflecting 2023 laws (BNS, BNSS, BSA), this book ensures thorough preparation for the UPSI 2025 exam. Its clear, concise style and practice sets make it ideal for mastering legal concepts and excelling in the exam. Perfect for Hindi-medium candidates, this book is a must-have for UPSI success. Available now at leading online retailers.[](https://yctfastbook.com/product-detail/439)