This is inaccurate. See what the historian Nayanjyot Lahiri writes
http://www.outlookindia.com/article/The-Survival-Of-Memory/291553
...Dharmanand, who connected to the work of Joseph Vaz, got his facts
wrong. While speaking of his service to Roman Catholicism in Ceylon during
the Portuguese colon
http://timesofindia.indiatimes.com/city/goa/Goa-to-Sri-Lanka-From-Blessed-Vaz-to-Acharya-Kosambi/articleshow/42927389.cms
Well-deserved celebration in Goa as the longstanding candidature of
native son Joseph Vaz has finally been approved for sainthood. He will
be "the first saint to Sri Lanka" but