Answer
(Fatwa: 175/171/B=1432)
In the question mentioned above, when you swore to give up smoking and then you smoked, so now the kaffarah of qasam will be levied on you. The kaffarah of qasam is to feed ten poor persons to their hearts’ content two times, or one poor man for ten days times, or to dress ten poor persons. If one is unable to do these two things, he can keep fast for three days constantly. You should make it clear whether you swore or not when your wife forced you to take oath by putting your hands on the holy Quran If you swore, how you swore and how many times?
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband