The subject matter of this book is comprehensive, thoroughly informative and very useful. The content of the book has been scientifically devised to cater to the need of the candidates preparing for the competitive exams. The book contains 10 chapters and an appendix. The first chapter describes Indian History through the ages from Ancient period to Modern period with an approach suitable for the examinees of different competitive examinations. Similarly the second chapter throws light on the World History through the ages from Ancient period to Modern period. The third chapter Geography, fourth chapter Indian Polity and Constitution and the fifth chapter Indian Economy give a vivid description of the subject matters concerned, adorned with lucid language and up-to-date information. The sixth chapter Physics seventh chapter ‘Chemistry’ and eighth chapter Biology are well arranged and updated. The ninth chapter Miscellany is a treasure of conventional general knowledge, which contains varieties of useful information including Firsts, Superlatives, Monuments, International Boundaries, National Emblems/Animals, News Agencies, Map Lines, Parliaments, Signs Symbols, Official books, UNO and World Organizations, International Decades, Years and Weeks, Important Days, India's World Heritage Sites, Defense of India, Research Centers/Institutes, Musical Instruments and their Exponents, Folk Dances, Famous Places, Crematorium, Nicknames, Awards and Honors, Books and Authors, Games and Sports, National Parks etc. The tenth chapter Computer gives to the point and up-to-date information of the subject matter. Moreover, Study matter of all the chapters are thoroughly processed, systematically compiled and based on the latest syllabus as well as the question patterns of various contemporary competitive examinations. This book will certainly enhance the level of general knowledge of the students and the candidates of competitive examinations. This book may prove itself trustworthy to cater to the need of its readers.