Concept:Alvars were a group of Tamil saint-poets who were deeply devoted to Vishnu.
Explanation:The Alvars emerged during the 7th to 9th centuries as part of the Bhakti movement in South India.
They composed passionate hymns in praise of Vishnu and his incarnations.
There were 12 Alvars, who came from diverse social backgrounds, including outcastes.
Their songs were compiled in the sacred text known as the
Divya Prabandham.
Notable Alvars include Periyalvar, his daughter Andal, and Nammalvar.
In contrast, the Nayanars were devotees of Shiva.
Thus, Alvars are specifically identified as devotees of Vishnu.
Answer:Option A: Those who immersed in devotion to Vishnu.