Lemuria / Kumari Kandam

In the 19th century, a section of the 

1. European and 
2. American scholars 

https://freeglobaluniversity.blogspot.com/search/label/Europe
https://freeglobaluniversity.blogspot.com/search/label/America

speculated the existence of a submerged continent called Lemuria, to explain geological and other similarities between 

1. Africa
2. Australia, 
3. India  

https://freeglobaluniversity.blogspot.com/search/label/Africa
https://freeglobaluniversity.blogspot.com/search/label/Australia
https://freeglobaluniversity.blogspot.com/search/label/India


Source

https://www.google.com/search?q=Kumari+Kandam

https://www.google.com/search?q=Lemuria

A section of Tamil revivalists adapted this theory, connecting it to the Pandyan legends of lands lost to the ocean, as described in ancient Tamil and Sanskrit literature.

https://freeglobaluniversity.blogspot.com/search/label/Tamilakam
https://freeglobaluniversity.blogspot.com/search/label/Sansk