Answer:
(Fatwa: 1220/1220=M/1430)
It is better if you could manage to keep your wife at separate place while continuing to serve your aged parents. But, in case of separate living if it is difficult to serve aged parents and mentally challenged brother, then try to convince your wife with wisdom and politeness to live jointly.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
