Indian musical pattern, or Raga, is an ancient form of music that originated in India. It is a melodic framework for improvisation and composition, and is based on a set of rules and guidelines. Raga is used in both classical and folk music, and is characterized by its use of specific scales, melodic patterns, and rhythmic cycles. It is often associated with particular times of day or seasons, and can be used to evoke certain emotions or moods.