Here is the most likely explanation and the actual interesting piece of history behind it. "Cambro" is almost certainly a misspelling of Kamboj (also spelled Kamboh, Kambhoja).
It appears to be a typo or a misunderstanding of a very specific, niche historical and linguistic concept. There is no known deity, cult, or practice in India called "Cambro." cambro worship india
That's a fascinating and unusual phrase: Here is the most likely explanation and the