Wonderchef Reva is India most-loved Dosa Tawa. Tough and durable with ergonomic handles, this is a companion for life! Fluffy authentic dosas are an easy recipe at home now. his Wonderchef Dosa Tawa has PFOA-free nonstick coating which means it does not cause any kind of harm to your body. In addition to this, in this dosa tawa, the heat spreads evenly which doesn't let the batter get stuck to the tawa and makes sure the dosa is cooked evenly.