The Kadamba Dynasty was an ancient royal dynasty of the modern day:

Karnataka

The correct answer is Option 4- Karnataka

The Kadamba Dynasty was an ancient royal dynasty of the modern day Karnataka.

The Kadambas ruled northern Karnataka and the Konkan from Banavasi in present-day Uttara Kannada district from 345 to 540 CE. The kingdom was founded by Mayurasharma in c. 345, and at later times showed the potential of developing into imperial proportions.

The Kadambas were patrons of the arts and sciences. They built many temples and monasteries, and promoted the use of Kannada in administration and literature. The Kadamba period is considered to be a golden age in the history of Karnataka.