Paryavaran Paristhitiki (पर्यावरण पारिस्थितिकी), published by Mahecha Publication with Springboard Academy under the RAS Pre series, is a Hindi-medium book on environment and ecology for the RPSC RAS Preliminary examination. The complete book is written in Hindi (Devanagari script), so aspirants preparing in the Hindi medium can study this subject in their own language. It is prepared as per the latest syllabus 2026 (नवीनतम पाठ्यक्रम 2026 के अनुसार) and covers the environment and ecology portion of the RAS Pre General Knowledge paper — ecosystems, biodiversity and its conservation, environmental pollution and climate change, along with the protected areas, wildlife and conservation efforts of Rajasthan that the examination asks about. The subject is presented in exam-oriented form, topic by topic, so an aspirant can read the full chapter and then revise it quickly before the examination. Key Features: Written entirely in Hindi (Hindi medium) for RPSC RAS aspirants Paryavaran Paristhitiki (Environment and Ecology) for the RAS Preliminary examination As per the latest syllabus 2026 (नवीनतम पाठ्यक्रम 2026 के अनुसार) Covers ecosystems, biodiversity, pollution and climate change Includes environment and wildlife conservation topics relevant to Rajasthan Topic-wise arrangement for systematic study and easy revision Exam oriented content for the RAS Pre General Knowledge paper From the RAS Pre series of Springboard Academy and Mahecha Publication यह पुस्तक "पर्यावरण पारिस्थितिकी — RAS Pre" महेचा पब्लिकेशन एवं Springboard Academy द्वारा प्रकाशित है। यह पूर्णतः हिंदी भाषा (Hindi medium) में है। यह नवीनतम पाठ्यक्रम 2026 के अनुसार तैयार की गई है। इसमें पारिस्थितिक तंत्र, जैव विविधता एवं संरक्षण, पर्यावरण प्रदूषण, जलवायु परिवर्तन तथा राजस्थान से संबंधित पर्यावरण व वन्यजीव संरक्षण विषयों का विषयवार कवरेज दिया गया है। यह RPSC RAS प्री के अभ्यर्थियों के लिए अत्यंत उपयोगी है।