Answer:
(Fatwa: 260/236=D/1430)
He should make ghuslwith hot water. If one cannot arrange hot water and by using cold water he fears death or paralyzing or falling severely ill, then he is permissible to opt for tayammum (wiping with clean soil to achieve purity).
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
