ANSWER:

What they are saying is totally wrong and blasphemous!

You must not be associated with them at all.

It was Allah who told us in the Quran that prophet Mosa peace be upon him imagined things from the black magic and sorcery of the sorcerers! Should we believe the Quran or these ignorant imbeciles? 

QUESTION: In Tamilnadu, INDIA. There one group named TNTJ (thowheed jamath). They are seperated from salaf 20 years before and that group saying that if you beleive Black magic can cause harm to people then you are mushrik. That group also rejecting that hadith sihr (black magic) on prophet saw because this hadith against quran. That group saying salaf beleive black magic can cause damage to human