Listen to Rajar Beta Rajar Biti online. Rajar Beta Rajar Biti is a Bengali language song and is sung by Shankar Tantubai and Payal Badyakar. Rajar Beta Rajar Biti, from the album Rajar Beta Rajar Biti, was released in the year 2025. The duration of the song is 4:39. Download Bengali songs online from JioSaavn.