He is best known for composing score and soundtrack of C/o Kancharapalem (2018) and Middle Class Melodies (2020).
[1] In 2014, he started playback singing with the song "2010 Summerlo" from the film Doosukeltha.
[2] Before making debut in playback singing, he has worked as an audio engineer.
Sangeetha Devi Dundoo of The Hindu quoted, "Sweekar Agasthi’s music stayed with me long after the film was over".
[3] "Asha Pasham" song from the soundtrack of the film received wide response.