The present book is based on the research work carried by the author in the year 2011 to 2017. The book provides complete understanding of the concepts, theories and relevant information about adolescent¿s emotional health as well as its related concepts of emotions and adolescents. The main soul of this book is the Emotional Health Improvement programme. This Programme has given 36 activities, which are unique and best to carried out with minimum economical state. This book is in the research work form, so it is a good piece of research work for the new comer to understand the research process, its step wise writing, how to take reviews, how to analyses data, how to interpret data and come to findings and conclusions. This book has given information about product development research and its applications through the present research topic. This book has psychological aspect in it, given information about how to develop a psychological test, its various aspects, components, factors, standardization process of validity, reliability etc. This book also discusses about how to develop tool like questionnaire, test as well as its analysis part.