21.Vasi yoga is the predecessor of Patanjali’s Yoga Sutra and this was revealed in the South by Shiva.
22.The Siddhas,the Enlightened souls, from the south had a distinct system of Shiva worship and they were aware of Vedas. Patanjali,Agastya and Valimiki were Siddhas and have wriiten philosophical treatises in Tamil.
Valmiki mentions in his Tamil poem that he was a Vedic Brahmin.
23.The Avatars of Vishnu,(Parashurama,Vamana,Kurma and Varaha)took place in the south.Of these,Kurma and Varaha took place just after The Vedas were compiled.
24.The migration to north seems to have been necessitated because of Great flood in each yuga and Puranas/ ithihasas/Tamil classics assert this.
25.Thiruvannamalalai,Tamil Nadu is 3.64 billion years old and Jwalapuram,Cuddapah,Telengana,which houses Nataraja is 74,000 years old.
I can go on adding.