dua e saifi is by imam ali moula mushkil kush alyusaalam and gouse azam rehmatullaah this dua have 70,000 thousend angels and 70,000 moukillat means security and 70,000 jinnat being in the presence of that person when reciting. If no permission dont risk reciting this dua can harm you very badly. Cant wait for your feedback. Jazakallah