A Tamil evan­gel­ist and min­is­ter of the Meth­od­ist Church of Sri Lanka, Niles served as president of the East Asia Christ­ian Conference. On the death of Martin Luther King, he was elected to the presidium of the World Council of Churches. He was a strong advocate of Protestant ecumenism in Asia.

Hymns

1. Father in Heaven, Grant to Your Children
2. On a Day When Men Were Counted
3. Saranam, Saranam, Saranam