This informative guide explains the fundamentals of lighting design and its impact on interior spaces. It covers different types of lighting, design principles, placement techniques, and methods to create ambiance and functionality. Readers gain practical knowledge about balancing natural and artificial lighting to enhance aesthetics and comfort. The article is beneficial for aspiring interior designers and creative professionals looking to strengthen their design understanding. Students interested in creative disciplines, including interior designing courses in Kolkata, can learn how lighting influences visual presentation, mood creation, and overall design effectiveness.