Listen to Oi Ujjal Din - Calcutta Youth Choir online. Oi Ujjal Din - Calcutta Youth Choir is a Bengali language song and is sung by Calcutta Youth Choir. Oi Ujjal Din - Calcutta Youth Choir, from the album Nabobarsher Gaan, was released in the year 2021. The duration of the song is 2:43. Download Bengali songs online from JioSaavn.