Botanical Name : Centella Asiatica Tamil Name : Vallarai Keerai The Vallarai keerai is a common green leafy vegetable found in traditional South Indian cuisine. Vallarai Keerai is a beneficial medicinal herb that improves brain activity and nervous system performance. Medicine Benefits of Gotu Kola Leaves Powder : Consuming this powder is a natural way to improve memory power. Skin diseases can be helped by consuming vallarai keerai regularly. Consuming vallarai keerai might help with stomach distress, diarrhoea, and indigestion. How to Consume : You can take it as a soup or mix it with dosa batter to make dosas.