The book is a collection of chapters contributed by the different scholars coming from different parts of the world and diverse fields of knowledge, like; Sociology, Anthropology (Social and Cultural), Economics, Political Science, Biology, Development Studies, Climate Change, Tribal Studies etc. Chapters covering many georgraphical regions and mainly focusing on socio-economic marginalization and issues related to the tribal development and transformation is the main focus of the book. The book is expected to be beneficial for the international and national readers of different categories, from graduation students to research scholars. The practices of social exclusion and issues related to economic marginalization and tribe and tribal development has been considered for the book with a hope that all these will prove beneficial to sharpen the understanding and will prove beneficial to voice the concerns of deprived people from different parts of the world.