Answer
(Fatwa: 1065/903=D/1430)
What is the nature of the contract between the client and bank? If it consists of interest-based transaction, it will be sinful to work as advisor and the charge of sinful act is also not lawful. But, if the agreement is of any other kind, explain it and submit the question again.
(2) What do you mean by bank income i.e. the income of a bank employee or something else? If you mean the same, what are jobs assigned to be discharged?
(3) It is lawful to sell a car or a shop to bank.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband