However the basic information about the Topography is correct and verifiable.
Many of the sites mentioned in the Ramayana, Mahabharata,The Vedas have been found now.
Ayodhya, Mathura,Pandyaa Kingdoms, not to speak of the Holy places, Rivers, Mountains and even the Species that thrive in these locations.
At the same time one gets the impression that the areas mentioned are not in The Earth and are located in some other location ,Planet, under the Ocean.
And we have the Lokas, the abode of Beings confusing.