The comprehensive volume brings together cutting-edge research and practical insights on language testing, assessment, and evaluation across West and South Asia. Featuring voices in India, Iran, Nepal, Pakistan, and Sri Lanka, the book offers a rich blend of theory, case studies, and classroom-based evidence—highlighting innovative practices that shape one of the world’s most linguistically and culturally diverse regions. The book is structured into five thematic sections and provides logical progression from foundational concepts to innovative applications. It explores vital themes ranging from assessment policy and teacher training to digital innovations and AI-enhanced assessment frameworks. An essential resource for researchers, educators, administrators, and policymakers, this volume provides actionable strategies for improving English language testing in West and South Asia’s multilingual and evolving educational landscape.