The esraj is a traditional string instrument from the Indian subcontinent, primarily used in classical and folk music. It features a long neck and a resonating body, typically made from wood, with strings that are played using a bow. The instrument produces a rich, melodic sound and is often associated with the music of the Punjab region. The esraj is similar to other string instruments like the sarangi and violin, but it has a unique tonal quality that sets it apart. It is commonly used in devotional music and is played in various cultural performances, showcasing its versatility and importance in South Asian music traditions.