UPSC Optional

UPSC ESE 2026 : Mechanical Engineering Conventional Paper I & II - Solved Papers 2020-2025

The UPSC Engineering Services Examination (ESE) is one of India's most prestigious engineering examinations. UPSC ESE 2026: Conventional Solved Papers (2020–2025) – Mechanical Engineering (Papers I & II) is a comprehensive resource designed to help aspirants master the descriptive stage of the examination through fully solved previous years' papers and exam-oriented solutions.Key Features1. Solved Papers (2020–2025): Complete solutions to ESE Mechanical Engineering papers from 2020–2025.2. Papers I & II Coverage: Covers both Mechanical Engineering Papers I and II.3. Step-by-Step Solutions: Clear and easy-to-follow explanations.4. Exam-Oriented Approach: Aligned with the latest UPSC pattern and important topics.5. Practice & Revision Tool: Useful for revision and self-assessment.

UPSC ESE 2027 : Electronics & Telecommunication Engineering - Chapter Wise & Year Wise Solved Papers 2000-2026

UPSC ESE Electronics & Telecommunication Engineering – Chapter-wise & Year-wise Solved Papers 2000–2026 is a valuable exam preparation guide designed for ESE aspirants. The book covers questions from all major Electronics & Telecommunication Engineering subjects prescribed in the ESE syllabus. With chapter-wise practice questions detailed answers and explanations and solved papers it helps candidates strengthen concepts identify important topics and improve exam readiness.Key Features1. Chapter-wise coverage of important ESE Electronics & Telecommunication Engineering topics2. Practice questions with answers and detailed explanations3. Fully solved UPSC ESE Electronics & Telecommunication Engineering Papers (2016–2026)4. Covers both Paper I and Paper II subjects5. Based on the latest UPSC ESE syllabus and exam pattern

UPSC 2026: Advancements in Science & Technology by Prof. Ashok Matcha for UPSC & State Civil Services Exams | Includes MCQs & Probable Questions & Detailed Theory | UPSC Exam Prep

Master the dynamic domain of Science & Technology for your UPSC and State Civil Services Exams with the revised and updated second edition of Advancements in Science & Technology by Prof. Ashok Matcha!This essential guide is meticulously prepared to cover the latest developments and crucial concepts for both Preliminary and Main examinations. It offers detailed theory, a comprehensive review of recent advancements including Central government initiatives, and a gradual progression from foundational knowledge to cutting-edge technologies like AI, IoT, and Quantum Computing.With chapter-wise MCQs refined for UPSC & State PSC standards, probable questions for Mains, and simplified explanations ideal for non-science backgrounds, this book is your complete solution for acing the Science & Technology section.Key Features:Comprehensive Prelims & Mains Coverage: Provides detailed theory specifically tailored for both the Preliminary and Main examinations of UPSC and State Civil Services.Focus on Latest Advancements: Offers comprehensive coverage of recent advancements in science and technology, including crucial Central government initiatives and major technological developments of the 21st Century.Structured Learning Progression: Facilitates understanding through a gradual progression from foundational scientific concepts to complex modern technological developments.Exam-Oriented Practice: Each of the 44 chapters includes Multiple-Choice Questions (MCQs) meticulously refined to meet UPSC and various State PSC exam standards, alongside Probable Questions for the Main Examination.Simplified Explanations: Presents simplified explanations for key concepts, making complex scientific and technological topics easily digestible, especially for students from non-science backgrounds.Extensive Topic Range: Covers a wide array of essential topics including Biology, Biotechnology, Space and Missile Technology, Energy, ICT, Supercomputers, Artificial Intelligence, IoT, Robotics, Nanotechnology, Nuclear Science, and significant contributions of Indian scientists.Authored by Expert: Written by Prof. Ashok Matcha, ensuring reliable and authoritative content.

RAJESH MISHRA's PSIR Optional for UPSC Civil Services | English Medium | Format: 5 Booklet in Printed

RAJESH MISHRA's PSIR Optional for UPSC Civil Services | English MediumPrepare for the UPSC Civil Services Examination with Rajesh Mishra's PSIR (Political Science & International Relations) Optional study material in English Medium. Designed according to the latest UPSC syllabus, these comprehensive notes provide in-depth conceptual clarity, contemporary analysis, and exam-oriented content. Ideal for both beginners and experienced aspirants, the material covers Political Theory, Indian Government & Politics, Comparative Politics, International Relations, and India’s Foreign Policy with structured explanations, diagrams, and answer-writing support.Key Features:Complete UPSC PSIR Optional Syllabus CoverageEnglish MediumConcept-Based & Exam-Oriented NotesUpdated with Current Political and International DevelopmentsUseful for UPSC IAS, IPS, IFS & Other Civil Services ExaminationsIdeal for Prelims Support, Mains Preparation & Answer WritingBest For: UPSC IAS, IPS, IFS, State PSC and other Civil Services aspirants seeking a comprehensive PSIR Optional resource.

RAJESH MISHRA's PSIR OPTIONAL for UPSC IAS/IPS | Hindi Medium | 12 Booklets

राजेश मिश्रा का PSIR (Political Science & International Relations) Optional | माध्यम : हिंदीराजेश मिश्रा द्वारा तैयार PSIR (राजनीति विज्ञान एवं अंतरराष्ट्रीय संबंध) वैकल्पिक विषय UPSC सिविल सेवा परीक्षा (IAS/IPS) के हिंदी माध्यम अभ्यर्थियों के लिए एक उत्कृष्ट अध्ययन सामग्री है। यह नोट्स नवीनतम UPSC पाठ्यक्रम एवं परीक्षा पैटर्न पर आधारित हैं और विषय की गहन समझ, उत्तर लेखन कौशल तथा समसामयिक घटनाओं के प्रभावी समावेशन पर विशेष ध्यान देते हैं।मुख्य विशेषताएँ📘 PSIR वैकल्पिक के पेपर-I एवं पेपर-II का संपूर्ण कवरेज।📝 नवीनतम UPSC सिलेबस एवं परीक्षा प्रवृत्ति के अनुसार तैयार।🎯 सरल, स्पष्ट एवं अवधारणात्मक अध्ययन सामग्री।✍️ उत्तर लेखन अभ्यास एवं पिछले वर्षों के प्रश्नों (PYQs) का समावेश।🌍 भारतीय राजनीति, राजनीतिक सिद्धांत, तुलनात्मक राजनीति, अंतरराष्ट्रीय संबंध एवं भारत की विदेश नीति का विस्तृत अध्ययन।🔄 समसामयिक घटनाओं के अनुरूप नियमित रूप से अद्यतन सामग्री।📚 हिंदी माध्यम के अभ्यर्थियों के लिए विशेष रूप से उपयोगी।उपयुक्त: UPSC सिविल सेवा परीक्षा (IAS/IPS), राज्य लोक सेवा आयोग (PCS) तथा अन्य प्रतियोगी परीक्षाओं के लिए PSIR वैकल्पिक विषय के अभ्यर्थी।🌟 क्यों चुनें हमारा स्टडी मटेरियल?✅ प्रीमियम प्रिंटिंग क्वालिटीअत्याधुनिक मशीनों से प्रिंटेड, बिल्कुल किताबों जैसी स्पष्ट और आकर्षक गुणवत्ता।🎨 FREE रंगीन कवर पेजउच्च गुणवत्ता वाले आकर्षक कलर कवर बिल्कुल मुफ्त (₹60 मूल्य तक)।🚚 FREE एवं तेज़ डिलीवरी95% ऑर्डर मात्र 3–6 दिनों में आपके घर तक, बिना किसी अतिरिक्त शुल्क के।📚 100% प्रमाणिक एवं विश्वसनीय नोट्समूल स्रोतों से सावधानीपूर्वक सत्यापित और अपडेटेड सामग्री।📖 पूरा सिलेबस, बिना किसी कमी केकोई टॉपिक मिस नहीं, सम्पूर्ण पाठ्यक्रम एक ही स्थान पर।🔄 नवीनतम एवं अपडेटेड कंटेंटपरीक्षा के नवीनतम पैटर्न और सिलेबस के अनुसार तैयार सामग्री।🔁 मिसिंग पेज गारंटीयदि किसी मानवीय त्रुटि (Human Error) के कारण कोई पेज या सामग्री छूट जाती है, तो उसे बिना किसी अतिरिक्त शुल्क के दोबारा भेजा जाएगा।💰 पैसों की पूरी कीमत वसूलप्रीमियम क्वालिटी स्टडी मटेरियल सबसे किफायती कीमत पर।🏆 आपकी सफलता हमारा लक्ष्य है!📌 Rahinama24 – शिक्षा, तैयारी और सफलता का भरोसेमंद साथी।🔥 विशेष वादा: "यदि हमारी ओर से किसी मानवीय त्रुटि के कारण कोई पेज, नोट्स या सामग्री छूट जाती है, तो उसे निःशुल्क पुनः भेजा जाएगा। आपकी संतुष्टि हमारी प्राथमिकता है।"

Sociology Optional by Upendra Sir (Shubhra Ranjan IAS ) |4 Booklets Handwritten)

Sociology Optional by Upendra Sir (Shubhra Ranjan IAS) | 4 Booklets | Handwritten NotesSociology Optional by Upendra Sir (Shubhra Ranjan IAS) is a comprehensive set of 4 handwritten booklets designed for UPSC Civil Services (IAS) Mains Sociology Optional preparation. These notes simplify complex sociological concepts, theories, and thinkers into concise, exam-oriented content, making them ideal for both beginners and experienced aspirants.Prepared in an easy-to-understand handwritten format, the booklets cover the complete UPSC Sociology Optional syllabus with emphasis on conceptual clarity, answer writing, and contemporary examples.Key FeaturesComplete UPSC Sociology Optional syllabus coverage4 high-quality handwritten bookletsConceptual and exam-oriented explanationsCovers major sociological thinkers and theoriesIncludes Indian Society and contemporary sociological issuesUseful for answer writing and value additionIdeal for revision before the UPSC Mains examinationSuitable ForUPSC Civil Services (IAS) Sociology OptionalState PCS ExaminationsUniversity students of SociologyAspirants looking for concise revision notesProduct DetailsTitle: Sociology Optional by Upendra SirInstitute: Shubhra Ranjan IASFormat: Handwritten NotesNumber of Booklets: 4Language: EnglishBinding: Printed BookletsNote: This study material is intended to support preparation for UPSC and other competitive examinations. The content and copyright belong to the respective author/institute. Rahinama24.com provides these study resources subject to availability.

SarrthiIAS's PSIR Optional | Medium: English | Faculty : Vivek Waghmare:

Drishti IAS Hindi Sahitya DLP and Class Notes 2026-27 | UPSC Hindi Sahitya Optional | 7 Booklets

Complete set of 7 Booklets for UPSC Hindi Sahitya Typed Notes

Sociology Optional for UPSC | | Complete Study Material | English Medium | 2 Booklets | Sleepy Classes IAS

Sleepy Classes IAS's Sociology Optional is a comprehensive study resource designed for UPSC Civil Services aspirants preparing for the Sociology Optional subject. The material provides structured, syllabus-oriented notes with conceptual explanations, sociological thinkers, contemporary examples, and answer-writing guidance to help students score well in the UPSC Mains examination. The course emphasizes conceptual clarity and integration of current affairs with sociological theories.Key FeaturesComplete coverage of UPSC Sociology Optional Paper I & IIConcept-based notes with easy-to-understand explanationsDetailed coverage of major sociological thinkers and theoriesIndian Society and contemporary social issuesAnswer writing strategies with model approachesPrevious Year Questions (PYQs) and practice-oriented contentUseful for revision and value addition in Mains answersSuitable for beginners as well as experienced aspirantsSuitable ForUPSC Civil Services (IAS) Mains – Sociology OptionalState PSC ExaminationsSociology studentsAspirants seeking concise and exam-oriented study materialProduct DetailsTitle: Sleepy Classes IAS's Sociology OptionalInstitute: Sleepy Classes IASSubject: Sociology OptionalLanguage: EnglishFormat: Printed Study Material / Notes (as applicable)Note: This study material is intended to support UPSC and State PCS preparation. The content and copyright belong to the respective author/institute. Rahinama24.com provides these study resources subject to availability.Why Choose Our Study Material?✅ Premium Printing QualityPrinted using advanced printing technology, delivering crystal-clear text and a professional book-like finish.🎨 FREE Color Cover PagesGet high-quality, attractive color covers absolutely FREE (worth up to ₹60).🚚 FREE & Fast Delivery95% of orders are delivered within 3–6 days, with no extra shipping charges.📚 100% Authentic & Reliable NotesCarefully verified and updated content sourced from trusted materials.📖 Complete Syllabus CoverageNo missing topics, no incomplete chapters—everything you need in one place.🔄 Latest & Updated ContentPrepared according to the latest syllabus and examination patterns.🔁 Missing Pages GuaranteeIf any page or content is accidentally missed due to human error, it will be resent to you free of charge.💰 Best Value for MoneyPremium-quality study material at the most affordable price.🏆 Your Success Is Our Mission!📌 Rahinama24 – Your Trusted Partner in Learning, Preparation, and Success.🔥 Our Promise: "If any page, notes, or content is missed due to a human error on our part, we will resend it free of cost. Your satisfaction is our priority."

SELF STUDY HISTORY's HISTORY OPTIONAL

Why Choose Our Study Material?✅ Premium Printing QualityPrinted using advanced printing technology, delivering crystal-clear text and a professional book-like finish.🎨 FREE Color Cover PagesGet high-quality, attractive color covers absolutely FREE (worth up to ₹60).🚚 FREE & Fast Delivery95% of orders are delivered within 3–6 days, with no extra shipping charges.📚 100% Authentic & Reliable NotesCarefully verified and updated content sourced from trusted materials.📖 Complete Syllabus CoverageNo missing topics, no incomplete chapters—everything you need in one place.🔄 Latest & Updated ContentPrepared according to the latest syllabus and examination patterns.🔁 Missing Pages GuaranteeIf any page or content is accidentally missed due to human error, it will be resent to you free of charge.💰 Best Value for MoneyPremium-quality study material at the most affordable price.🏆 Your Success Is Our Mission!📌 Rahinama24 – Your Trusted Partner in Learning, Preparation, and Success.🔥 Our Promise: "If any page, notes, or content is missed due to a human error on our part, we will resend it free of cost. Your satisfaction is our priority."

MADE EASY's UPSC CIVIL ENGINEERING

Why Choose Our Study Material?✅ Premium Printing QualityPrinted using advanced printing technology, delivering crystal-clear text and a professional book-like finish.🎨 FREE Color Cover PagesGet high-quality, attractive color covers absolutely FREE (worth up to ₹60).🚚 FREE & Fast Delivery95% of orders are delivered within 3–6 days, with no extra shipping charges.📚 100% Authentic & Reliable NotesCarefully verified and updated content sourced from trusted materials.📖 Complete Syllabus CoverageNo missing topics, no incomplete chapters—everything you need in one place.🔄 Latest & Updated ContentPrepared according to the latest syllabus and examination patterns.🔁 Missing Pages GuaranteeIf any page or content is accidentally missed due to human error, it will be resent to you free of charge.💰 Best Value for MoneyPremium-quality study material at the most affordable price.🏆 Your Success Is Our Mission!📌 Rahinama24 – Your Trusted Partner in Learning, Preparation, and Success.🔥 Our Promise: "If any page, notes, or content is missed due to a human error on our part, we will resend it free of cost. Your satisfaction is our priority."

BRAIN TREE's ANTHROPOLOGY OPTIONAL

Why Choose Our Study Material?✅ Premium Printing QualityPrinted using advanced printing technology, delivering crystal-clear text and a professional book-like finish.🎨 FREE Color Cover PagesGet high-quality, attractive color covers absolutely FREE (worth up to ₹60).🚚 FREE & Fast Delivery95% of orders are delivered within 3–6 days, with no extra shipping charges.📚 100% Authentic & Reliable NotesCarefully verified and updated content sourced from trusted materials.📖 Complete Syllabus CoverageNo missing topics, no incomplete chapters—everything you need in one place.🔄 Latest & Updated ContentPrepared according to the latest syllabus and examination patterns.🔁 Missing Pages GuaranteeIf any page or content is accidentally missed due to human error, it will be resent to you free of charge.💰 Best Value for MoneyPremium-quality study material at the most affordable price.🏆 Your Success Is Our Mission!📌 Rahinama24 – Your Trusted Partner in Learning, Preparation, and Success.🔥 Our Promise: "If any page, notes, or content is missed due to a human error on our part, we will resend it free of cost. Your satisfaction is our priority."