I would phrase it slightly differently. I would say, it should be illegal for parents to deny actual medical care to their children, on the basis of religion or any means of "alternative medicine" like homeopathy, ayurveda, unani etc (or on any other basis for that matter, except if they cannot afford it).
In addition to real medical care, the parents can go to temples and break as many coconuts as they want. It doesn't hurt anyone, and helps the coconut merchants.
I like this comment - I never thought about it like this before!
As long as it is used as well as conventional medicine I see no harm in it.
But if mumbojumbo (including silly remedies like homoeopathy, exorcism, sacrificing a pig etc) is used INSTEAD of conventional medicine then the person that caused this should be held responsible for the outcome based on the local legislation for child neglect / murder.
No. No. No. NO. No. HELL NO!
If you want to pray, that's fine and dandy, but for the love of Basement Cat, get the kid proper medical attention!