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 Chithi Na Koi Sandesh - Jagjit Singh Hits, was released in the year 2020. The duration of the song is 5:21. Download Hindi songs online from JioSaavn.