This book is an adaptation of the classic book Concise Inorganic Chemistry by J.D. Lee (fifth edition) which is widely used by students preparing for engineering entrance examinations. This adapted version provides a more concise treatment of the subject as per the syllabus requirements but does not compromise on essentials. The explanation of fundamental concepts is simple and straightforward, offering a right blend of theory and applications. The adaptation has been carried out with the purpose of making the book the best fit for engineering aspirants.