Listen to O De Gayo Kagad Postman online. O De Gayo Kagad Postman is a Hindi language song and is sung by Seema Mishra. O De Gayo Kagad Postman, from the album O De Gayo Kagad Postman, was released in the year 2021. The duration of the song is 5:33. Download Hindi songs online from JioSaavn.