Transfer of Property Act, 1882
134. Mortgaged debt
Where a debt is transferred for the purpose of securing an
existing or future debt, the debt so transferred, if received by the transferor
or recovered by the transferee, is applicable, first, in payment of the costs
of such recovery; secondly, in or towards satisfaction of the amount for the
time being secured by the transfer, and the residue, if any, belongs to the
transferor or other person entitled to receive the same.