Kakka in malayalam is either clam or mussels most probably clam a vagabond kind of tramp falls in love with a aristocratic lady( a thamburati) the lady likes the vagabond the kali cherekkan but the father disapproves and kills the boy with this men the girl also commits suicide and where they lay dead is a monument the story of manavalan para manavati par and it is sung in a song the rock monument.