This book presents a comprehensive compilation of research findings and conceptualizations within the field of infancy. It is a well-known fact that dedicated research into "Infancy" remains in its own infant stage within the country. Consequently, the author has made a diligent and humble effort to assemble diverse research findings, a factually-oriented literature review, and insightful discussions covering the many facets of infant development.It is firmly believed that "Infant Development" will contribute a significant body of valuable information to the existing literature in this crucial field. This volume is designed to serve as an essential and valuable source for a wide audience. This includes specialists across numerous disciplines such as Medicine, Paramedical science, Psychology, Home science, Sociology, Social work, and Anthropology. Furthermore, its insights are equally vital for Policymakers and Parents, offering evidence-based knowledge to inform their crucial roles.