Answer:
(Fatwa: 567/567/M=1431)
Earning through bribe, interest etc is impure earning which is unlawful, cause of sin and curse. It is wajib to give this wicked means up. If you give the donation of your pure halal income to mosque or in charity insha-Allah it will be accepted and the salah of all would be right in the mosque constructed by the income earned by halal means.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
