Rulers of all or part of the Tamil region during the so-called 'Kalabhra interregnum,' a poorly-documented era between the Sangam-age Tamil kingdoms and the Pallava/Pandya resurgence; likely patrons of Jainism and Buddhism, their origins and even their exact dates remain scholarly disputes.
Defeated by the combined forces of the Pallavas, Pandyas, and Chalukyas; the dynasty had certainly ended by the last quarter of the 6th century, when Pallava Simhavishnu and Pandya Kadungon re-established Tamil dynastic rule.
The atlas holds 4 border frames for Kalabhra dynasty — the shape you scrub through changes in 250 · 350 · 425 · 550.
Standard treatment of the Kalabhra interregnum within the broader arc of South Indian dynastic history.