In 12th Century Karnataka, Virashaivas were the followers of ______.

Basavanna

The correct answer is Option 1- Basavanna

Basavanna was a 12th-century poet, philosopher, and social reformer who founded the Virashaiva movement in Karnataka. The Virashaivas were a heterodox sect of Hinduism that emphasized the worship of Shiva and the equality of all people, regardless of caste or gender.

Basavanna's teachings were recorded in the form of vachanas, which are short, pithy poems that express his ideas on religion, philosophy, and social reform. The vachanas were written in the Kannada language, and they played a major role in the development of Kannada literature.

Basavanna's teachings had a profound impact on the social and religious landscape of Karnataka. They helped to break down the caste system and to promote equality for women. The Virashaiva movement continues to be a major force in Karnataka today.

The other options are incorrect. Andal was a 10th-century Tamil poet who is considered to be one of the greatest devotees of Vishnu. Ramanuja was a 11th-century philosopher who founded the Vishishtadvaita school of Vedanta. Karaikkal Ammaiyar was a 9th-century Tamil poet who is considered to be one of the greatest devotees of Shiva.