Biography
Konattu Madam Chidambara Iyer Subrahmania Iyer, known better as K. C. S. Mani, was an Indian socialist activist of Kerala who is known for his attempt of assassination on C. P. Ramaswamy Iyer, the then Diwan of Travancore, a princely state in India. This incident was a turning point in the history of Kerala, forcing the Diwan to leave Travancore and flee to Madras after assenting to merge Travancore with the Union of India.