Answer:
(Fatwa: 892/682/H=1431)
If they are doing any lawful job in the bank i.e. watchman, peon etc then the income will not be termed as haram and if they are doing any haram job, then excuse them in a good manner.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
