Answer:
(Fatwa: 725/725=M/1430)
If your father-in-law writes or maintains the accounts of interest, it is unlawful as per the Shariah. If he has no lawful source of income except it, you should avoid using the gifts sent by him. Also, keep on convincing your father-in-law to look for any lawful source of income.
What you mean by property that his daughter will receive? Please, explain in detail.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
