Vigyan — NCERT Saar Sangrah (विज्ञान – NCERT सार संग्रह), published by Sinkhwal Publication under the Competition Herald banner, is a Hindi medium quick revision book on General Science built directly on the NCERT syllabus. Written entirely in Hindi, it condenses the NCERT science content of Classes 6 to 10 along with the important exam-relevant facts of Classes 11 and 12 (कक्षा 6 से 10 तक एवं कक्षा 11 व 12 की महत्वपूर्ण परीक्षोपयोगी जानकारी), presenting the whole of school science as a compact summary that can be revised repeatedly before RPSC, RSSB and other competitive examinations. Key Features: Written entirely in Hindi (हिंदी माध्यम) for easy understanding NCERT-based summary (NCERT सार संग्रह) — the source most commissions draw science questions from Complete NCERT science coverage for Classes 6 to 10 Important exam-relevant facts extracted from Classes 11 and 12 Quick Revision Book format — designed for fast, repeated revision rather than first-time reading Physics (भौतिक विज्ञान) — motion, force, energy, light, sound, electricity and magnetism Chemistry (रसायन विज्ञान) — matter, atomic structure, chemical reactions, metals, non-metals and carbon compounds Biology (जीव विज्ञान) — cell, life processes, human body systems, heredity, evolution and environment Compact, high-yield presentation for last-minute preparation Useful for RPSC, RSSB and all Rajasthan-level and other competitive examinations यह पुस्तक "विज्ञान – NCERT सार संग्रह (Quick Revision Book)" सिंखवाल पब्लिकेशन द्वारा प्रकाशित है और पूर्णतः हिंदी भाषा में है। इसमें कक्षा 6 से 10 तक का संपूर्ण NCERT विज्ञान तथा कक्षा 11 व 12 की महत्वपूर्ण परीक्षोपयोगी जानकारी संक्षिप्त एवं सारगर्भित रूप में दी गई है। RPSC, RSSB सहित सभी प्रतियोगी परीक्षाओं की त्वरित पुनरावृत्ति (रिवीजन) हेतु यह पुस्तक अत्यंत उपयोगी है।