Q. Which era was started by Ishwarsena of the Abhira dynasty?
Answer:
Kalachuri-Chedi era
Notes: Ishwarsena, founder of the Abhira dynasty, started the Kalachuri-Chedi era. The dynasty ruled western Deccan and succeeded the Satavahanas. This era is distinct in Indian chronology and continued to be used by several later dynasties in central India.