Okay here you go!!W I am NOT the only one saying Bharatavarshe is the land from Vindyas to Kerala. Pl read below. Naga Kingdom - Wikipedia, the free encyclopedia Airavata is mentioned as a region beyond ancient India (Bharata Varsha) at (6,6). Bharata Varsha (ancient India) is mentioned as the southern-most region known to the ancient Indian people. North of Bharata Varsha, is the region of Himalaya. Two regions known as Pathala (Kerala) and Airavata mentioned in the extreme south and far north respectively were the most important territories in Naga Dynasty. Kerala once known as Patala[2](nether world) is considered as the adobe of Serpent Anantha, the indigenous inhabitation of Naga clan in South Now refer to Ramayana: Ravana conquers the Devas (Indra from Indrapala), & Pathala !!