Studies in World History for ICS and IAS Main Exam is a comprehensive book designed for UPSC (IAS) Mains and other competitive exams. It is generally authored by K. N. Jha and published under Cosmos/Heed series.

The book provides a detailed and analytical understanding of major world history events and developments, helping aspirants prepare effectively for General Studies Paper-1 and History Optional.

It covers important topics such as:

• Renaissance and Enlightenment

• American & French Revolutions

• Industrial Revolution and Imperialism

• World Wars and global conflicts

• Cold War and decolonization

These topics are crucial for UPSC, as world history questions often focus on revolutions, ideologies, and global transformations

The latest edition of the renowned volume ObJedive Arithmetic is in the hands of our Vlllued readers. We have revised and updated this edition. We have also added latest questions related to various competition examinations and tried to become as exhaustive as possible. This edition has many useful tips, notes and shortcut methods for students. They are essentially the tips and formulae that are to be used by candidates to solve questions quickly. The style of the book remains the same, for it facilitates easy reading. comprehension and application. Students must read the theory and definitions first. Then, they must read solved examples which have been given aplenty in this volume. They can also solve these eumples briefly on rough sheets. Finally, they should attempt to solve the exercise. Each and every aercise has been solved in this volume. So, they can get support from solutions at any point of time. However, they must attempt the questions of the exercises first. If they are stuck up in some questions, they can refer to their solutions anytime. The author, Editor-in-Chief and DTP staff have left no stones unturned to make the presented volume a fine technical presentation. However, some mistakes may have crept in due to human and machine errors. We request our Vlllued readers to identify them and send the same to us. In the subsequent editions of this volume, 1 we shall incorporate all such corrections. That way, the presented volume would become a masterpiece in the realm of competition Arithmetic.

यह पुस्तक माजिद हुसैन द्वारा लिखित भारत का भूगोल है, जो सिविल सेवा एवं राज्य सेवा परीक्षाओं की तैयारी के लिए अत्यंत उपयोगी है।
इसमें नवीनतम प्रवृत्तियों, मानचित्रों और पिछले वर्षों के प्रश्नों का समावेश किया गया है।

Continuing with its legacy, "Science and Technology" by Ravi P Agrahari in its eight edition remains the ultimate companion for UPSC Civil Services aspirants and undergraduate students alike. Renowned for its comprehensive coverage and a meticulously crafted content this edition also demystifies complex concepts and also prepares the aspirants comprehensively for competitive examinations like always. Updated with the latest advancements in the subject and presented in vibrant four-color visuals with new and improved infographics, this book continues to be a definitive guide.

Commerce Objective Type by M. N. Arora is a well-structured practice book designed for students preparing for commerce-related competitive exams. It focuses on providing a wide range of objective-type questions (MCQs) that help strengthen conceptual understanding and improve exam performance.

This book is especially useful for exams like UGC-NET, CA-CPT, departmental exams of PSUs (NTPC, BHEL, GAIL, SAIL), and other competitive tests. It serves as a reliable resource for quick revision and practice, making it ideal for both beginners and advanced learners.