Ruling dynasty of Karnataka from 980–1031 CE
The Kadambas of Hangal was a South Indian dynasty during the Late Classical period on the Indian subcontinent, which originated in the region of Hangal in Karnataka. Chatta Deva who reigned from 980–1031 CE founded the dynasty. He helped Western Chalukyas in the coup against the Rashtrakutas; re-established the Kadamba Dynasty mostly as a feudatory of Western Chalukyas, but his successors enjoyed considerable independence and were almost sovereign rulers of Goa and Konkan till 14th century CE.
The successors of Chatta Deva occupied both Banavasi and Hangal and are known as Kadambas of Hangal. Uniting Banavasi and Hangal, distinguished himself against the Cholas and carved out a kingdom (which stretched, on this side, including Ratnagiri district, up to Kolhapur). He is referred to as having conquered Konkan. When the Chalukyas under their king, Jayasimha II made an advance on Dhar (capital of the Malavas) and defeated Bhoja, who was then the Paramara king, the part played by Chaltadev (Chatta Deva), the feudatory of the Chalukyas, was significant. During 1075-1116 Kirtivarma subdued the 7 Konkans.
According to historian, George M. Moraes, Due to the struggle between the Hoysalas and the Yadavas, for supremacy, the Kadambas of Hangal under Kamdeva marched against the Konkan and compelled Vijayadatta (to transfer his allegiance to him). But during 1187 and 1188, immediately on his accession, Jayakesi III declared himself independent. Later Kadambas kept paying nominal allegiance to Yadavas and Hoysalas of Dorasamudra and thus maintained their independence.
Different families of Kadambas ruled southern India, notable were Kadambas of Hangal, Kadambas of Goa, Kadambas of Halasi and Kadambas of Banavasi.
Minor Kadamba Kingdoms.
The Kadambas of Banavasi declined by sixth century, by the tenth century Kadamba were local chiefs, the Kadamba of Hangal emerged as a vassal of the Western Chalukyas, and the Kadambas of Goa at Goa and Konkan until the fourteenth century. Similarly some more minor Kadamba branches established, they remained vassals.
Kadambas of Bankapur.
They served as regional governors for Kadambas of Banavasi and then Kadambas of Hangal.
Kadambas of Bayalnad.
After the fall of the Western Gangas, the "Kadambas of Bayalnad" established as independent kingdom. It was founded by Kaviyammarasa, who ruled towards end of 10th century CE.
Kadambas of Nagarkhanda.
Kadambas of Nagarkhanda descendants of Mayuravarma of Hangal, served as regional governors, Nagarkhanda is the district to the north-east of Banavasi. They titled as "boon lords of Banavasipura", their capital was at Bandhavapura. Initially the Kadambas of Hangal refused to acknowledge suzerainty of Kalachuris of Kalyani, that led to war between them, then Kalachuris helped Somadeva as per the 1159 inscription Somadeva subordinate of Kalachuris, they conquered Banavasi and handed it over to Somadeva (in 1165).
Kadambas of Uchchangi.
The Kadambas of Uchchangi were in name only kings of Banavasi actually the power remain with Kadambas of Hangal.
Coinage of Hangal Kadambas.
Kadambas coins were among the heaviest and perhaps purest of all medieval Indian gold coinage. Kadambas issued 2 types of gold coins, namely "Punch-marked gold coins" and "Die struck gold coins". During 1075-1094 CE, Shanti Varma, issued gold punch marked coin
and in 1065 CE, Toyimadeva, issued die struck gold coins (Pagoda).