The purpose of this book is to summarize and present the topics specifically relating to emerging and remerging infections in India, the well known subcontinent. Due to the globalization in the present day, the change in the epidemiology of diseases from one site to the others all around the world can be expected. Indian story is the focus of interest in medicine. The summative on the common infectious problems in the tropical countries can be and should be performed. This work can be a useful reference material for the practitioners who are not familiar to the unique problems of the developing world and might face up with those problems due to the possible migration of diseases. This book can make them at least realize and familial with the problems.