Noted Tamil writer and social activist "M.S. Udayamurthy" died on Monday following cardiac arrest at the age of 85 years. He was an author of several books on self-improvement, Udayamurthy's prominent works include Ennangal (thoughts) Unnal Mudiyum Thambi (You can, brother), nee than thambi mudhal amaichar (you are the chief minister).

He was also known to be An environmental activist and founder of Makkal Sakthi Iyakkam (People’s Power Movement) which was an activity of linking of rivers.

(AW:Samrat Biswas)