The present book ‘English Improvement Course’ has been specially developed keeping in mind the requirements of various classes of English-learners, Students, and other readers with academic as well as competitions’ point of view. The book is especially useful for the aspirants of various exams where Objective General English paper forms an essential part of the selection criteria.The book is presented in a simple reader-friendly manner to enable all types of readers easily learn and understand the rules of grammar and their applications in improving their English.The book covers almost all aspects of English Grammar and usage alongwith exercises in multifarious forms of questions and answers. The book also comprises hundreds of multiple choice questions (MCQs) in Test Papers comprising 35 Tests at the end of the book to test the knowledge and learning, and to provide ample scope for practice to the readers to prepare for the competitive exams as well.The book will definitely prove to be a boon to the inquisitive students, competitive exam-aspirants, and other readers in improving their knowledge of English and prompt them to write and speak Great English—Free from Errors.