The Chalukyas were dominant power in the Deccan during 6th to 8th century AD. And again during 10th century AD, they regained their power and ruled till 12 century. The Chalukyas who ruled from Badami were the Western Chalukyas.  The one who ruled from Kalyani are referred as Later Western Chalukyas and the Chalukyas of Vengi are known to the historians as the Eastern Chalukyas.  The legendary history of the Chalukyas makes their origin very controversial.  Please click on the following links to explore them.
 

1. Earlier Western Chalukyas

2. Later Western Chalukyas

3. Eastern Chalukyas

4. Coinage of the Chalukyas

5. Catalogue