The analytical depth of his commentaries on classical Tamil literature and philosophy, and the clear, fluid style of his prose.

His works, along with those of V. O. Chidambaram Pillai, Maraimalai Adigal, and Arumuka Navalar, are considered to have defined the style of modern Tamil prose.

Thiru Vi.Kalyanasundaram was born in Thuluva Vellala family in the village of Thullam, presently called Thandalam in Chengalpet district, near Chennai in the southern Indian state of Tamil Nadu on 26 August 1883.

He attended the Wesley College High School, and also studied Tamil under Maraimalai Adigal and N. Kathiravel Pillai of Jaffna.

He worked briefly as a teacher and, in 1917, became an editorial assistant on Desabaktan, a nationalist, Tamil daily newspaper.

He published one of the first Tamil interpretations of the thought of Mahatma Gandhi, which is still regarded as an important milestone in Gandhian studies.

He wrote a number of works on the religious and spiritual thought of Ramalinga Swamigal, an influential Tamil Saivite philosopher-saint of the 19th century.

He wrote commentaries on a number of works of classical Tamil literature, which appeared as serials in Navasakthi.

developed a prose style which built on the inner rhythms of the Tamil language and produced a rhythmic, flowing text.