Listen to Ek Baat Kahoon Main Sajna online. Ek Baat Kahoon Main Sajna is a Hindi language song and is sung by Lata Mangeshkar and Kalyanji-Anandji. Ek Baat Kahoon Main Sajna, from the album Karmayogi, was released in the year 1978. The duration of the song is 3:04. Download Hindi songs online from JioSaavn.