(4) 'Tenant ' in relation to any (i) means a person liable to pay rent in respect of such land, under a tenancy agreement express or implied, and (ii) includes (a) any such person as is referred to in sub clause (i) who continues in possession of the land after the determination of the tenancy agreement, (b) any person who was a tenant in respect of such land under a tenancy agreement to which this Act is applicable under sub section (3) of section 1 and who or any of his predecessors in interest had erected any building on such land and who continues in actual physical possession of such land and building, notwithstanding that (1) such person was not entitled to the rights under this Act by reason of the proviso to section 13 of this Act as it stood before the date of the publication of the Madras City Tenants ' Protection (Amendment) Act, 1972 (Tamil Nadu Act 4 of 1972), or (2) a decree for declaration or a decree or an order for possession or for similar relief has been passed against such person on the ground that the proviso to section 12 of this Act as it stood before the date of the publication of the Madras City Tenants ' Protection (Amendment), Act [Tamil Nadu Act 4 of 1972) disentitled such person from claiming the rights under this Act.