In the case of a usufructuary mortgage, the mortgagor has a right to recover possession of the property 4[together with the mortgage- deed and all documents relating to the mortgaged property which are in the possession or power of the mortgagee].—
(a)where the mortgagee is authorised to pay himself the mortgage-money from the rents and profits of the property.—when such money is paid:
(b)where the mortgagee is authorised to pay himself from such rents and profits 5[or arty part thereof a part only of the mortgage-money,]—.when the term (if any), prescribed for the payment of the mortgage-money has expired and the mortgagor pays or tenders to the mortgagee 6[the mortgage-money or the balance thereof] or deposits it in Court as hereinafter provided.