Complex sentence: However in ancient times only Tamil Villavars from Early Pandyan Kingdom were ruling southern Kerala.Nairs were not found in the ancient Tamil Nadu as the migration of Aryans and Nagas from Ahichatram at Uttarkhand occurred at 345 AD during the reign of Kadamba king Mayuravarma Gramapaddati from Tulunadu.
Split into simpler sentences: However in ancient times only Tamil Villavars from Early Pandyan Kingdom were ruling southern Kerala. Namboothiris came only after the invasion of Chalukya dynasty in the 7th century AD.Nairs were not found in the ancient Tamil Nadu as the migration of Aryans and Nagas from Ahichatram at Uttarkhand occurred at 345 AD during the reign of Kadamba king Mayuravarma Gramapaddati from Tulunadu.