Listen to Tum Itna Jo Muskura Rahe Ho (From "Arth") online. Tum Itna Jo Muskura Rahe Ho (From "Arth") is a Hindi language song and is sung by Jagjit Singh. Tum Itna Jo Muskura Rahe Ho (From "Arth"), from the album Top Hits Of 80s, was released in the year 2019. The duration of the song is 5:21. Download Hindi songs online from JioSaavn.