Answer:
(Fatwa: 1735/1210/L=1432)
It is better to behave one’s mother in good way though she is too sinful. However you should make every possible effort that the unlawful relation of your mother with other man comes to an end. For the same, if you stop giving money to your mother for some months, then you can do so.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
