This comprehensive self-study guide by Arihant Publications is meticulously tailored in Hindi for Class 10 students preparing for their CBSE board exams under the 2026–27 academic session. It structures the core syllabus of Physics, Chemistry, and Biology into a highly accessible format, offering simplified NCERT-based theories, detailed solutions, and chapter-wise conceptual summaries. To maximize exam readiness, the guide is packed with varied practice exercises, competency-based questions (CBQs), visual mind maps for quick revision, and previous years' board papers, making it an all-inclusive resource for achieving academic excellence.