Listen to Dusht Vyakti Ka Gyan online. Dusht Vyakti Ka Gyan is a Hindi language song and is sung by Tarun Khanna. Dusht Vyakti Ka Gyan, from the album Chanakya Niti, was released in the year 2021. The duration of the song is 1:04. Download Hindi songs online from JioSaavn.