Transfer of Property Act, 1882
70. Accession to mortgaged property
If, after the date of a mortgage, any accession is made to the
mortgaged property, the mortgagee, in the absence of a contract to the
contrary, shall, for the purposes of the security, be entitled to such
accession.
Illustrations
(a) A mortgages to B a certain field bordering on a river. The
field is increased by alluvion. For the purposes of his security, B is entitled
to the increase.
(b) A mortgages a certain plot of building land to B and
afterwards erects a house on the plot. For the purposes of his security, B is
entitled to the house as well as the. plot.