No, it isn’t mandatory, but the last 2 ayat are sufficient to ward of Devils for three nights.

It is said that reciting Surah Baqarah wards off evil, is it mandatory to recite the whole Surah ?

Jinn, Witchcraft, Black Magic and the Evil Eye | September 23, 2015 10:59 am
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how do we know if a person is having on him jinn or shaitan, what are the signs?
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I read on islam q and a that its better not to ask someone to make ruqyah for you,there is hadith about 70.000 who don’t ask for ruqyah as their faith is strong enough to make it themselves.People often search a raqi to do a ruqya. There are those who are possessed by jinn.So is it better for everyone no matter how they suffer to make ruqyah for themselves and don’t ask anyone to do it?