Listen to Cooler Lagwai Deta online. Cooler Lagwai Deta is a Bhojpuri language song and is sung by Dheeraj Rohtasi. Cooler Lagwai Deta, from the album Cooler Lagwai Deta, was released in the year 2021. The duration of the song is 3:58. Download Bhojpuri songs online from JioSaavn.