A viruttam or virutham (Tamil) is a Hindu devotional verse sung in Carnatic music concerts.
[1] Viruttams do not possess a set tala and are solely improvised using one or more ragams.
It is one of many forms of manodharma (spontaneous improvisations) in Carnatic music.
Viruthams in praise of Lord Ayyappa are famous in South India.
Ugabhogas are few set of devotional lines by the Haridasas of Karnataka.