(1) If in any village, a tenant is in occupation of a dwelling house on a site belonging to his landholder, such tenant shall not be evicted from such dwelling house (with the materials and the site thereof and the land immediately appurtenant thereto and necessary for its enjoyment), unless,-
(a) the landholder proves that the dwelling house was not built at the expense of such tenant or his predecessorin-title, and
(b) such tenant makes a default in the payment of the rent, if any, which he has been paying for the use and occupation of such site.
(2) The provisions of sub-section (1) shall not apply to a dwelling house which is situate on any land used for the purposes of agriculture the tenancy of which has been terminated under sub-section (1) of section 44.