Section 63A(1) in The Transfer Of Property Act, 1882
(1)Where mortgaged property in possession of the mortgagee has, during the continuance of the mortgage, been improved, the mortgagor, upon redemption, shall, in the absence of a contract to the contrary, be entitled to the improvement; and the mortgagor shall not, save only in cases provided for in sub-section (2), be liable to pay the cost thereof.