Organic agriculturist and professional organic farming trainer Marutham Kumar is knowledgeable about trees, herbs and uncultivated herbs and plants. He is fondly known as Kumar Anna to one and all.
After the passing of the Green Crusader Dr. G. Nammalvar, he was elected to lead the organisation (Nammalvar Ecological Foundation) formed to raise awareness about Organic Agriculture and train farmers. He had conducted more than 400 plus training at Vanagam. He is the co-editor, for Vanagam Publications and Vanagam Magazine.
One of the founding members of the now well-known NGO Sudar. This NGO aid tribal villages in the Western Ghats