Avarohana is a term used in Indian classical music that refers to the descending scale or sequence of notes in a raga. It is the reverse of Arohana, which describes the ascending order of notes. Avarohana helps to establish the mood and character of the raga, allowing musicians to explore different emotional expressions through the descending progression. In practice, Avarohana is essential for improvisation and composition within a raga. Musicians often use it to create intricate patterns and phrases, showcasing their skill and understanding of the raga's structure. This descending movement is crucial for conveying the essence of the raga and enhancing the overall musical experience.