Answer:
(Fatwa: 246=238/D)
You do legal proceedings in order to receive the bills (original and surcharge), you do not have any relation with surcharge (interest transactions); then your earning must be lawful. But, you are helping others in sin; therefore, it is better for you to hand over this work to someone else.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
