Listen to Hridayam Oru Vallaki online. Hridayam Oru Vallaki is a Malayalam language song and is sung by K. S. Chithra and Sunandha. Hridayam Oru Vallaki, from the album Padayani, was released in the year 1986. The duration of the song is 3:46. Download Malayalam songs online from JioSaavn.