My quwstion: i have a wife & my sister in low love me & i wish her so i sleep in nighat in sister in law so my wife halal for me or no? You give me ansewr please .
Answer:
(Fatwa: 950/950=J)
The wife does not become Haram by sleeping with sister in law, but it is extremely abhorred by Islam to have intimate relation with sister in law while keeping her sister in marriage. It is Haram and it amounts to invite the anger of Allah.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband