A form of storytelling through folk songs, popular in coastal Karnataka:

Oggukatha
Bhavai
Yakshagana
Jatra

The correct answer is A) Oggukatha.

Oggukathas are a form of storytelling through folk songs, popular in coastal Karnataka. They are performed by a single singer, who accompanies themselves on a stringed instrument called the raagam. The stories told in oggukathas are often based on Hindu mythology or folklore.

Bhavais are a form of folk theater that originated in Gujarat, India. They are performed by a group of actors who wear masks and costumes. The stories told in bhavais are often based on religious themes.

Yakshagana is a form of folk theater that originated in Karnataka, India. It is performed by a group of actors who wear elaborate costumes and masks. The stories told in yakshaganas are often based on Hindu mythology or folklore.

Jatra is a form of folk theater that originated in Odisha, India. It is performed by a group of actors who wear colorful costumes and masks. The stories told in jatras are often based on religious themes or social issues.