Tamil Brahmi is found in Harappa.
Tamil Sangam period Towns,harbor names are found in Indus Valley Civilization.
Thee names are.
Vanji, capital of Chera Kingdom,
Gorkai, in Afghanistan
a Pandya harbor, Matrai(Madurai), Urai(Uraiyur capital of Cholas), Koodal kat(kodal, name for Madurai),in Pakistan,..After the demise of Osiris, his son Horus entered into a pact with Rama Empire(Emperor Zata’ar’s eldest son, Prince Rama.) to defeat Seth, the usurper.’
The Atlantis army met with Rama’s Army in Rishi City, now in Pakistan.