RAS Samanya Vigyan evam Prodyogiki (सामान्य विज्ञान एवं प्रौद्योगिकी) by Saurabh is a Hindi medium book on General Science and Technology for the RAS examination. The whole book is written in Hindi (Devanagari script), so Hindi medium aspirants can prepare science and technology in their own language. It is published by Parakh (Test Your Competitive Edge), and this is the New Edition 2026. The book is written as per the updated syllabus (अद्यतन पाठ्यक्रमानुसार). General science and technology is a key part of both RAS prelims and mains. It ranges from basic physics, chemistry and biology to current fields such as space, defence, biotechnology and information technology, where questions change as new developments take place. An updated book keeps preparation in line with what RPSC now asks. It is prepared for candidates appearing in the RPSC RAS examination and is also useful for other Rajasthan competitive exams with a science and technology section. Key Features: Written entirely in Hindi (Hindi medium) General Science and Technology for RAS As per the updated syllabus Covers basic science and current technology topics New Edition 2026 By Saurabh, published by Parakh यह पुस्तक "RAS सामान्य विज्ञान एवं प्रौद्योगिकी" सौरभ द्वारा लिखित है और परख द्वारा प्रकाशित है। यह पूर्णतः हिंदी माध्यम में है। यह नवीन संस्करण 2026 है और अद्यतन पाठ्यक्रमानुसार तैयार की गई है। यह RPSC की RAS परीक्षा तथा अन्य राजस्थान प्रतियोगी परीक्षाओं के लिए उपयोगी है।