Listen to Aaj Hai Duniya Kitni Suhani online. Aaj Hai Duniya Kitni Suhani is a Hindi language song and is sung by Binapani Mukherjee. Aaj Hai Duniya Kitni Suhani, from the album Durban, was released in the year 1946. The duration of the song is 3:08. Download Hindi songs online from JioSaavn.