What does QED stand for? Quod Erat Demonstrandum which is formal way of ending a mathematical, logical or physical proof. Rasa vineyeards is the manifestation of a dream shared by two brothers. After working two decades in the lucrative computer industry to satisfy family expectations, Pinto and Billo decided to plunge into the industry of wine making. The Naravane brothers formed Rasa Vineyards in 2007 with the goal of producing ultra-premium, terroir specific wines. "The proof is in the bottle"