Absolutely—legally.
The Raja Shivchatrapati book PDF in Hindi is one of the finest historical treasures available to Hindi readers. It transforms a historical figure into a living, breathing hero. While the convenience of a free PDF is tempting, the quality of the experience (error-free text, proper maps, supporting the Hindi publishing industry) is worth the small cost.
Modern management gurus cite this book. Whether you are a student, an army officer, or an entrepreneur, the strategies used against Afzal Khan and Shaista Khan are case studies in "asymmetric warfare." The Hindi PDF is often used by UPSC aspirants for the Ethics paper (Case studies on leadership).
The book most associated with this title is "Raja Shivchatrapati" by Babasaheb Purandare.