Transfer of Property Act, 1882
91. Persons who may sue for redemption
Besides the mortgagor, any of the following persons may redeem, or
institute a suit for redemption of, the mortgaged property, namely,-
(a) any person (other than the mortgagee of the interest sought
to be redeemed) who has any interest in, or charge upon, the property mortgaged
or in or upon the right to redeem the same;
(b) any surety for the payment of the mortgage-debt or any part
thereof; or
(c) any creditor of the mortgagor who has in a suit for the
administration of his estate obtained a decree for sale of the mortgaged
property.