Permanent tenancy, Section 107 registration, Section 51 improvements, and estoppel in landlord-tenant disputes after post-Act leases.

A tenancy created after the Transfer of Property Act cannot become a permanent tenancy without a registered instrument under Section 107; long possession, hereditary occupation, constructions, or landlord recognition do not by themselves satisfy that statutory requirement. Relief under Section 51 for improvements is available only to a transferee acting in the bona fide belief of absolute ownership, so it does not extend to a tenant claiming a permanent tenancy. The discussion also shows that a landlord's conduct, including recognition of tenant status and acquiescence in construction, may give rise to estoppel against denying a permanent right on the facts found.

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Issues: (i) Whether a permanent tenancy could be inferred for a tenancy created after the Transfer of Property Act in the absence of a registered instrument under Section 107; (ii) whether a tenant could claim compensation for improvements under Section 51 of the Transfer of Property Act; (iii) whether the landlord was estopped from denying the tenant's permanent right on the facts found.

Issue (i): Whether a permanent tenancy could be inferred for a tenancy created after the Transfer of Property Act in the absence of a registered instrument under Section 107.

Analysis: The tenancy was found to have been created after the Transfer of Property Act came into force. In such a case, a lease for a term exceeding one year or reserving yearly rent can be created only by registered instrument. Long possession, heredity of occupation, substantial constructions, or recognition of succession by the landlord cannot by themselves create a permanent tenancy in disregard of the statutory requirement.

Conclusion: The claim to permanent tenancy could not be upheld on the footing of lost grant or long possession, and the contention failed.

Issue (ii): Whether a tenant could claim compensation for improvements under Section 51 of the Transfer of Property Act.

Analysis: Relief under Section 51 is available only where the transferee made improvements in the bona fide belief that he was absolutely entitled to the property. The prevailing view applied was that this expression denotes full ownership and does not extend to a lessee, including a permanent lessee. A tenant, therefore, cannot invoke Section 51 merely because he believed he had a permanent tenancy.

Conclusion: The defendant was not entitled to compensation for improvements under Section 51.

Issue (iii): Whether the landlord was estopped from denying the tenant's permanent right on the facts found.

Analysis: The sale deeds purchased tenure rights, the landlord recognised those transfers as conveying tenant status, mutated the defendant's husband's name, accepted the widow as tenant, and allowed substantial construction without objection. On those facts, the tenant was induced to proceed on the footing of a permanent right. The doctrine of estoppel operated to prevent the landlord from proving that the defendant was merely a tenant at will. This was treated as a bar to proof of the contrary factual position, not as an estoppel against the statute.

Conclusion: The landlord was estopped from denying the defendant's permanent right in the disputed holding.

Final Conclusion: The appellate decree could not stand because the landlord was bound by his own representation and conduct, and the defendant's tenancy could not be treated as a mere tenancy at will.

Ratio Decidendi: A permanent tenancy after the Transfer of Property Act cannot arise without a registered instrument, Section 51 does not apply to a tenant, but estoppel may prevent a landlord from denying a permanent right where his own recognition and conduct induced reliance before the statutory bar becomes relevant.

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