The Ghatna Chakra जेल वार्डर अध्ययन सामग्री 2025-26 (E-Book) is a specialized study resource published by Sam Samayik Ghatna Chakra, designed for candidates preparing for the Jail Warder and related competitive exams in India, such as UPSSSC | Police | and other state-level recruitment exams. This comprehensive book provides targeted study material tailored to the syllabus and exam pattern of Jail Warder recruitment exams for the 2025-26.