The very first edition of GATE 2023Chemical Engineering incorporates solved papers of the last 23years. The book is divided into topic-wise sections. Solutions are written in a lucid and step-by-step manner so that a fresher student can also understand. At the beginning of each subject, an analysis of previous papers is given to improve the understanding of the subject. The book is not only useful for GATE aspirants but also very fruitful for those who are aiming for PSUs & similar competitive examinations.