Listen to Koka De Jayin Vanjariya online. Koka De Jayin Vanjariya is a Hindi language song and is sung by Tejwant Kittu and Suman Dutta. Koka De Jayin Vanjariya, from the album Khat Likhdi Tainu Ve, was released in the year 2002. The duration of the song is 4:24. Download Hindi songs online from JioSaavn.