Answer:
(Fatwa: 59/47/H=1433)
(1) It is not lawful for you to hire the Qadiyanis. Especially it is haram to hire those Qadiyanis whose target is to misguide Muslims.
(2) Ask those Qadiyanis in good manner and wisdom that they should not offer salah at the place where Muslims offer.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
