UPSC Prelims & MAINS Books

(Old Edition) Science and Technology

(Old Edition) Environmental Ecology, Biodiversity, Climate Change & Disaster Management, 3E

Environmental Ecology, Biodiversity, Climate Change & Disaster Management, 3E by Ravi P. Agrahari, published by McGraw Hill, is a comprehensive preparation book primarily aimed at UPSC, IES, IFoS and State Civil Services examinations. The 3rd edition covers both Prelims and Mains requirements and combines conceptual explanations with PYQs, practice questions, mind maps, figures and flowcharts. Major contentsEnvironmental EcologyBasics of ecologyEcological factorsAdaptationsPopulation and community ecologyEcosystemsClimate ChangeClimate change and related issuesClimatic parametersInternational conferences and environmental cooperationEnvironmental GovernanceIndian environmental regulatory bodiesEnvironmental laws and ActsEnvironmental movementsEnvironmental Impact Assessment (EIA)Pollution & Waste ManagementAir, water and other forms of pollutionSolid-waste managementBiodiversity & WildlifeBiomes and biogeographical zonesNatural vegetation and forests of IndiaBiodiversity conservationWildlife conservationIUCN and threatened speciesSpecies recovery programmesDisaster ManagementDisasters in IndiaInstitutional frameworkPrevention and mitigationPreparedness and responseRecovery and rehabilitationCapacity developmentInternational cooperationCauses, vulnerability and mitigation of different disastersIt also contains UPSC Mains answers, objective practice questions, previous-year questions and practice papers, making it useful as a combined Environment + Disaster Management source. 

UPSC 2026: Objective Indian Polity & Governance | By N.D. Arora | For UPSC Civil Services Prelims Exam | 4th Edition | Crack UPSC Series

Master Indian Polity & Governance for your UPSC Civil Services Preliminary Exam with the 4th revised edition of "UPSC: Objective Indian Polity & Governance" by N.D. Arora from the Crack UPSC Series! This book is a meticulously curated collection of high-quality objective questions specifically designed based on the latest pattern and trend observed in the Civil Services Preliminary Examination.It's an invaluable resource featuring questions incorporated from various segments of Indian Polity and Governance, along with detailed explanations to selected questions. Ideal for UPSC, this revised edition also proves highly beneficial for various state-level examinations, Banking, Law, UGC, and other competitive exams where Indian Polity is a core component.Key Features:Targeted for UPSC Prelims: Specifically designed to align with the latest syllabus and pattern of the Civil Services Preliminary Examination (GS Paper-I, Polity section).High-Quality Objective Questions: Contains a comprehensive collection of high-quality objective questions on various segments of Indian Polity and Governance.Trend-Based Content: Questions are meticulously incorporated based on the pattern and trend observed in recent Civil Services Preliminary Examinations.Detailed Explanations: Provides detailed explanations to selected questions, aiding in conceptual clarity and understanding the nuances of complex topics.Multi-Exam Utility: While primarily for UPSC, this revised edition is also a valuable resource for various state-level examinations, Banking, Law, UGC, and other competitive exams where Indian Polity forms a significant part of the syllabus.Authored by N.D. Arora: Benefits from the expertise of N.D. Arora, a trusted name in the field of Indian Polity, ensuring authoritative and reliable content.

UPSC 2026: Objective Science & Technology | For UPSC Civil Services Prelims Exam | 3rd Edition | Crack UPSC Series

Master Science & Technology for your UPSC Civil Services Preliminary Exam with the 3rd revised edition of "UPSC: Objective Science & Technology" from the Crack UPSC Series! This ideal preparatory tool is meticulously designed to help aspirants excel in the preliminary stage of the exam.It includes fresh, application-based objective questions covering various aspects of scientific advancements and technological innovations. The questions are specifically crafted to match the UPSC & State Services exam pattern, allowing you to identify your core strengths and work on areas needing improvement.With questions incorporated from various segments including Science & Technology, Biology, Physics, and Chemistry, and detailed explanations to selected questions, this book is your essential guide to comprehensive and effective preparation.Key Features:Targeted for UPSC Prelims: Specifically designed as an ideal preparatory tool for Civil Services Preliminary Examination aspirants.Comprehensive Objective Question Bank: Includes a rich collection of fresh, application-based objective questions on various aspects of scientific advancements and technological innovations.Aligned with Exam Pattern: The question level is precisely matched to the UPSC & State Services exam pattern, ensuring relevant and effective practice.Broad Subject Coverage: Questions are incorporated from various segments including core Science & Technology, Biology, Physics, and Chemistry, providing a holistic preparation.Application-Based Learning: Questions are structured to be application-based, enabling aspirants to assess their understanding, identify core strengths, and pinpoint areas for improvement.Detailed Explanations: Provides detailed explanations to selected questions, helping aspirants grasp complex concepts and understand the reasoning behind correct answers.Revised and Updated Edition: This 3rd revised edition ensures the content is current and relevant to the latest exam trends and scientific developments.

UPSC 2026: Objective Indian & World Geography by D.R. Khullar | For UPSC Civil Services Preliminary Examination | 3rd Edition | UPSC Exam Prep

Geography is a cornerstone of the UPSC Preliminary Examination, often accounting for a significant chunk of questions that bridge the gap between static knowledge and current environmental trends. UPSC 2026: Objective Indian & World Geography by the legendary D.R. Khullar is a precision-engineered tool designed to help you master this subject through rigorous practice.In its 3rd Edition, this book moves beyond simple facts to test your conceptual clarity on Earth's systems and India's diverse topography. Whether it is the intricate mechanics of Plate Tectonics or the socio-economic patterns of Indian agriculture, Khullar’s expertly curated 1200+ MCQs mirror the evolving "statement-based" and "map-based" patterns of the UPSC. This is not just a question bank; it is a diagnostic resource that helps you identify your weak areas across Physical, World, and Indian Geography.Key Features:Authoritative Pedagogy: Written by D.R. Khullar, whose textbooks are considered the primary reference for Geography aspirants.1200+ High-Quality MCQs: Includes a wide variety of question formats—Multiple Choice, Multiple Select, and Assertion-Reasoning.Three-Part Structured Learning:Part I: Physical Geography: Geomorphology, Climatology, Oceanography, and Biogeography.Part II: World Geography: Continental studies, global resources, and industrial regions.Part III: Geography of India: Physiography, drainage, climate, soils, and economic geography.Past Year Solved Papers: Includes previous years' UPSC Prelims questions to help you understand the shift in trend and difficulty.Explanatory Notes: Detailed rationales provided for complex questions, ensuring you learn the why behind every correct answer.Latest Syllabus Alignment: Fully updated for the 2026 exam cycle, covering recent geographical phenomena and climate change data.

UPSC 2026: Objective Indian Economy Chapter-wise MCQs with Detailed Solutions | MCQ Question Bank for UPSC IAS & State PCS Prelims Exam

Master the complexities of the Indian financial landscape with the UPSC 2026: Objective Indian Economy Chapter-wise MCQs. Designed specifically for the high-stakes environment of the Civil Services Preliminary Examination, this question bank is a rigorous testing tool for both IAS and State PCS (UPPSC, BPSC, MPSC, etc.) aspirants.Economy is often the "make or break" section of the Prelims; it requires not just rote memorization of data, but a deep-seated understanding of how various economic levers—like inflation, interest rates, and fiscal policy—interact. This book bridges that gap by providing chapter-wise MCQs that transition from basic concepts to complex, multi-statement application questions. It integrates the static core of the Indian Economy with the latest updates from Budget 2024-25 and the Economic Survey 2023-24, ensuring you are prepared for both the traditional and the contemporary facets of the exam.Key Features:Chapter-wise Strategic Testing: Systematically organized questions covering National Income, Banking, Public Finance, Infrastructure, and External Sector.Latest Document Integration: Includes specialized MCQs based on Budget 2024-25 and Economic Survey 2023-24 to keep you ahead of the curve.UPSC-Standard Multi-Statement Questions: High-quality MCQs that mirror the current "Only one pair," "Only two pairs," and "Assertion-Reasoning" trends.Varying Difficulty Levels: Questions categorized from Basic to Advanced to help build confidence before tackling high-difficulty UPSC problems.Expert Detailed Solutions: Every question comes with a logical explanation that not only provides the correct answer but clarifies the underlying economic theory.Static & Dynamic Balance: Perfect blend of core concepts (like the LPG reforms) and modern developments (like Digital Rupee and Green Hydrogen mission).

UPSC 2025 : Vastunisht Arthvyavastha for State & Civil Services Preliminary Examinations

वस्तुनिष्ठ भारतीय अर्थव्यवस्था सिविल सेवा/राज्य सेवा प्रारंभिक परीक्षा की तैयारी करने वाले अभ्यर्थियों के लिए एक श्रेष्ठ स्रोत साधन है। इस पुस्तक में विस्तृत रूप से 1000+ प्रश्नों को सम्मिलित किया गया है जो कि भारतीय अर्थव्यवस्था एवं सामाजिक विकास के विभिन्न पहलुओं पर अभ्यर्थी की तैयारी के स्तर का परीक्षण करते हैं। दिए गए सभी प्रश्न संप्रयोग आधारित हैं ताकि उम्मीदवार अपने सामर्थ्य को पहचान सके एवं सुधार के क्षेत्रों पर कार्य कर सके। प्रमुख विशेषताएं:अद्तित पाठ्यक्रम के अनुसार अध्यायवार प्रश्न श्रृंखलाआर्थिक सर्वेक्षण एवं बजट 2024 पर आधारित उच्चस्तरीय प्रश्न एवं व्याख्याअर्थव्यवस्था के विविध पक्षों, शासकीय योजनाओं एवं नीतियों पर प्रश्नसंघ एवं राज्य लोक सेवा आयोग प्रारंभिक परीक्षा के लिए अति उपयोगी

UPSC 2026: Samanya Adhyayan (Hindi) Paper-1 : Topic-wise Objective Question Bank | Prarambhik Pareeksha Hetu | For Civil Services Prelims Exam | Crack UPSC Series

UPSC Civil Services Preliminary Exam की तैयारी कर रहे अभ्यर्थियों के लिए प्रस्तुत है "UPSC 2026: Samanya Adhyayan (Hindi) Paper-1 : Topic-wise Objective Question Bank"! यह पुस्तक सामान्य अध्ययन प्रश्न पत्र-I के लिए वस्तुनिष्ठ प्रश्नों का एक व्यापक समावेश है। इसमें अध्यायवार प्रश्नों की प्रचुर संख्या आपकी सफलता के लिए अत्यंत उपयोगी सिद्ध होगी, जिससे आप अपनी तैयारी को सशक्त बना सकें।यह गाइड भारतीय इतिहास, कला एवं संस्कृति, अर्थव्यवस्था, भारतीय राजव्यवस्था, भूगोल, विज्ञान एवं प्रौद्योगिकी, और पर्यावरण एवं पारिस्थितिकी जैसे सभी महत्वपूर्ण अध्यायों पर आधारित प्रश्न प्रदान करती है, साथ ही सामान्य अध्ययन पेपर -I (2017-25) के हल प्रश्न-पत्र भी इसमें शामिल हैं।Key Features:व्यापक अध्यायवार प्रश्न बैंक: इसमें अध्यायवार वस्तुनिष्ठ प्रश्न (Objective Questions) दिए गए हैं, जो सिविल सेवा प्रारंभिक परीक्षा (Prelims Exam) के लिए अत्यंत उपयोगी हैं।महत्वपूर्ण विषयों का समावेश: पुस्तक में भारतीय इतिहास, कला एवं संस्कृति, अर्थव्यवस्था, भारतीय राजव्यवस्था, भूगोल, विज्ञान एवं प्रौद्योगिकी, और पर्यावरण एवं पारिस्थितिकी जैसे सभी प्रमुख विषयों पर आधारित प्रश्न शामिल हैं।व्याख्या सहित हल: सभी वस्तुनिष्ठ प्रश्नों के साथ उनकी विस्तृत व्याख्या भी दी गई है, जिससे अभ्यर्थियों को सही उत्तर के पीछे के तर्क और अवधारणा को समझने में मदद मिलेगी।पिछले वर्षों के हल प्रश्न-पत्र: इसमें सामान्य अध्ययन पेपर -I (2017-2025) के हल प्रश्न-पत्र भी शामिल हैं, जिससे आप परीक्षा के पैटर्न और प्रश्नों के प्रकार से परिचित हो सकें।सफल मार्गदर्शन हेतु निर्मित: प्रश्नों की प्रचुर संख्या और उनका व्यवस्थित संकलन सिविल सेवा अभ्यर्थियों के सफल मार्गदर्शन के लिए विशेष रूप से डिज़ाइन किया गया है।

UPSC 2026: Samanya Adhyayan (Hindi) Paper-1 : 15 Years Solved Papers of 2011-2025 | Prarambhik Pareeksha Hetu | For Civil Services Prelims Exam | Crack UPSC Series

UPSC Civil Services Preliminary Exam की तैयारी कर रहे अभ्यर्थियों के लिए प्रस्तुत है "UPSC 2026: Samanya Adhyayan (Hindi) Paper-1 : 15 Years Solved Papers (2011-2025)"! यह पुस्तक पिछले 15 वर्षों (2011-2025) के सामान्य अध्ययन प्रश्न पत्र-I में पूछे गए प्रश्नों का हल सहित समावेश है।यह Civil Services Preliminary Exam के लिए एक महत्वपूर्ण और आवश्यक अध्ययन सामग्री सिद्ध होगी, जो आपको नवीनतम परीक्षा पैटर्न और प्रश्नों की प्रकृति को समझने में मदद करेगी। अपनी तैयारी को सशक्त बनाने और परीक्षा में बेहतर प्रदर्शन करने के लिए यह पुस्तक आपकी सर्वोत्तम साथी है।Key Features:विस्तृत ऐतिहासिक कवरेज: इसमें सामान्य अध्ययन प्रश्न पत्र-I के लिए पिछले 15 वर्षों (2011-2025) के पूछे गए सभी प्रश्नों का समावेश है, जो आपको परीक्षा के रुझानों को समझने में मदद करेगा।प्रारंभिक परीक्षा पर केंद्रित: यह पुस्तक विशेष रूप से सिविल सेवा प्रारंभिक परीक्षा (Prelims Exam) की आवश्यकताओं को पूरा करने के लिए डिज़ाइन की गई है, जिससे आपकी तैयारी सटीक दिशा में हो।संपूर्ण हल सहित: सभी प्रश्नों के स्पष्ट और विस्तृत हल दिए गए हैं, जिससे आपको अवधारणाओं को समझने और प्रभावी उत्तर लिखने की कला में महारत हासिल करने में सहायता मिलेगी।नवीनतम पैटर्न के अनुसार: पुस्तक नवीनतम परीक्षा पद्धति और पाठ्यक्रम के अनुसार तैयार की गई है, जिससे आपकी तैयारी हमेशा प्रासंगिक और अद्यतित रहे।

UPSC 2026: Samanya Adhyayan (Hindi) Paper-1 : 15 Years Topic-wise Solved Papers of 2011-2025 | Prarambhik Pareeksha Hetu | For Civil Services Prelims Exam | Crack UPSC Series

UPSC Civil Services Preliminary Exam की तैयारी कर रहे अभ्यर्थियों के लिए प्रस्तुत है "UPSC 2026: Samanya Adhyayan Paper-1 : 15 Years Topic-wise Solved Papers (Hindi) of 2011-2025"! यह पुस्तक पिछले 15 वर्षों (2011-2025) के सामान्य अध्ययन प्रश्न पत्र-I में पूछे गए प्रश्नों का विषयवार हल सहित समावेश है।Civil Services Preliminary Exam के लिए यह एक महत्वपूर्ण और आवश्यक अध्ययन सामग्री सिद्ध होगी, जो आपको नवीनतम परीक्षा पैटर्न और प्रश्नों की प्रकृति को समझने में मदद करेगी। अपनी तैयारी को सशक्त बनाने और परीक्षा में बेहतर प्रदर्शन करने के लिए यह पुस्तक आपकी सर्वोत्तम साथी है।Key Features:विस्तृत विषयवार कवरेज: इसमें सामान्य अध्ययन प्रश्न पत्र-I के सभी महत्वपूर्ण विषयों से संबंधित पिछले 15 वर्षों (2011-2025) के प्रश्नों का विषयवार हल सहित समावेश है।प्रारंभिक परीक्षा हेतु निर्मित: यह पुस्तक विशेष रूप से सिविल सेवा प्रारंभिक परीक्षा (Prelims Exam) की आवश्यकताओं को पूरा करने के लिए डिज़ाइन की गई है।गहन विश्लेषण: प्रश्नों का विषयवार विश्लेषण अभ्यर्थियों को प्रत्येक खंड में अपनी तैयारी के स्तर को समझने और सुधार के क्षेत्रों की पहचान करने में मदद करेगा।नवीनतम रुझानों की समझ: पिछले 15 वर्षों के प्रश्नों के समावेश से आप परीक्षा के बदलते रुझानों, महत्वपूर्ण विषयों और प्रश्नों की प्रकृति को बेहतर ढंग से समझ सकते हैं।पूर्ण हल सहित: सभी प्रश्नों के पूर्ण और स्पष्ट हल दिए गए हैं, जिससे अवधारणाओं की स्पष्टता और उत्तर लिखने की कला में निपुणता आएगी।

UPSC Civil Services Essays Book | 34 Year Solved Papers 1993 to 2026 | 4th Edition for IAS Mains Exam Prep by DVK Rao | UPSC Guide

With 250 marks at stake in a single paper, the Essay Paper in the UPSC Civil Services Main Examination is often the ultimate rank decider. Writing two high-scoring essays (each within the strict 1,000–1,200 word limit) requires far more than general knowledge—it demands structural elegance, multi-dimensional analysis, and seamless thematic coherence.UPSC Civil Services Essays: Previous Year Solved Papers (1993 to 2026) by renowned civil services mentor DVK Rao is an exhaustive, 33-year thematic archive engineered to help you master this critical paper. Now in its 4th Edition, this comprehensive guide equips you with the strategic framework needed to transform abstract, philosophical, and socio-economic prompts into top-scoring Mains essays.What’s Inside: UPSC Civil Services Essays Book33+ Years of Solved Past Papers (1993–2026): Trace the full evolution of UPSC essay prompts, from classic administration themes of the 1990s to modern philosophical and abstract topics. Strict Word-Count Adherence: Every model essay is written strictly within the official 1,000–1,200 word limit, teaching you how to deliver maximum analytical depth without rambling.Topic-Wise Categorization: Essays are arranged logically into broad thematic clusters—such as Philosophical & Abstract, Democracy & Governance, Economic Development, Science & Tech, Gender & Social Issues, and International Relations.Build Interdisciplinary Connections: Learn how to seamlessly integrate quotes, case studies, historical examples, and constitutional values across different essay themes.Why this edition by DVK Rao is trusted by IAS Aspirants & ToppersUPSC papers increasingly feature abstract, reflective prompts. This book offers actionable blueprints to help you deconstruct complex quotes and build well-reasoned, multi-faceted arguments.Real-Life Application Focus: Demonstrates how to link static GS concepts to dynamic contemporary debates, giving your writing an authentic diplomatic and administrative tone.Time-Saving Reference: Serves as a ready repository of high-impact quotes, statistical data, and policy insights that you can use across both the Essay Paper and GS Papers I–IV.Cross-Exam Utility: Ideal for candidates preparing for UPSC Civil Services as well as State PSC Mains exams (including UPPCS, BPSC, RAS, and MPSC).Master the 250-Mark Advantage. Write Like a Topper.Do not leave your Mains ranking to chance with unorganized notes. Equip yourself with a proven, battle-tested essay collection that shows you exactly how to structure your thoughts and impress the examiners. Order your copy of DVK Rao’s UPSC Civil Services Essays (4th Edition) today!

UPSC 2027: General Studies(GS) Paper-1 - Topic-wise Objective Question Bank | 10 Years Solved Papers (2017-2026) | For Civil Services Prelims Examination | UPSC-GS Prep Series

UPSC 2027: General Studies Paper I – Topic-Wise Objective Question Bank by GKP is a targeted practice manual engineered to build concept clarity topic by topic. By organizing practice questions into distinct subject modules and pairing them with 10 years of fully solved past papers (2017–2026), this book offers a systematic way to test your knowledge as you study each chapter.Whats Inside : UPSC 2027 GS Paper I – Topic-wise Objective Question BankSubject & Topic-Wise Reorganization: Solve objective questions immediately after completing a specific topic in your standard reference books (such as Polity, Modern History, or Economics).Exhaustive & Verified Explanations: Every question includes a clear explanation detailing why the correct answer is right and why alternative options are incorrect.Fully Solved Past Papers (2017–2026): Work through a decade of recent official papers to get comfortable with shifting question patterns, difficulty levels, and statement structures.Why choose GKPs UPSC Topic-wise Question BankElimination Technique Mastery: Practice statement-based, multi-choice, and pair-matching questions designed to match the current style of the UPSC Preliminary exam.Complements Standard Textbooks: Works seamlessly alongside core reference texts like Laxmikanth, Spectrum, and NCERTs to lock in learning immediately.From Theory to Test-Ready: Replaces passive reading with active recall. Testing yourself topic-by-topic reinforces long-term retention far better than standard textbook highlighting.Cross-Exam Value: An ideal practice resource for State Public Service Commission (State PSC) exams, CDS, and other competitive general studies tests. Don't leave your Prelims performance to chance. Test your understanding topic by topic, refine your elimination skills, and approach UPSC Prelims 2027 with complete confidence. Grab your copy of GKP's Topic-Wise Objective Question Bank today!