Listen to Letter online. Letter is a Hindi language song and is sung by Manohar Mahajan, Sayeed-Ul-Hassan, Ramesh Tiwari, Ajay Chaddha, Ajay Kashmiri, Munna Khan, Kalim Mojiram and Rupa Sangle. Letter, from the album Jokes: Bhag, 1 (Manohar Mahajan Dwara Prastut), was released in the year 2018. The duration of the song is 1:55. Download Hindi songs online from JioSaavn.