Listen to Harihar Lahangwa online. Harihar Lahangwa is a Maithili language song and is sung by Umesh Diwana and Kausalya Pandit. Harihar Lahangwa, from the album Harihar Lahangwa, was released in the year 2022. The duration of the song is 5:16. Download Maithili songs online from JioSaavn.