Sea of Milk. It is mentioned in महाभारत , उद्योग पर्व , Chapter 102, that ब्रह्मा drank too much of अमृत and vomited. From the vomit the cow सुरभि came into being. The milk of सुरभि flowed and collected into a sea. This sea is called the milk-sea or क्षीरसागर .