Appeal successful in overturning High Court decision, restoring District Judge ruling. Respondent to vacate premises.

The appeal was allowed, setting aside the High Court's order and restoring the Additional District Judge's decision. The respondent agreed to vacate the premises by a specified date, as accepted by the appellants.

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Issues Involved:
1. Legality of sub-letting without the landlord's written consent.
2. Determination of the commencement date of the sub-tenancy.
3. Scope of the High Court's revisional powers under Section 35 of the Delhi and Ajmer Rent Control Act, 1952.

Issue-wise Detailed Analysis:

1. Legality of Sub-letting Without the Landlord's Written Consent:
The appellants, sons of Gauri Shankar, sought the eviction of the respondent on the grounds that he sub-let a portion of the bungalow to Dr. Mohani Jain without the landlord's written consent, as mandated by Section 13(1)(b)(i) of the Delhi and Ajmer Rent Control Act, 1952. The respondent defended by claiming that the original tenancy agreement, established in 1940, permitted sub-letting. However, no written consent was proven, and the terms of the original tenancy were not fully evidenced, with the letter produced (Ex. D-1) failing to disclose all terms.

2. Determination of the Commencement Date of the Sub-tenancy:
The trial Judge and the Additional District Judge found that the sub-tenancy commenced after the Act came into force on June 9, 1952. Despite oral evidence from Dr. Mohani Jain stating her sub-tenancy began in December 1951, the trial Judge referenced a dispute for standard rent fixation where the tenant had denied the sub-tenancy commenced before the Act. The Additional District Judge affirmed this finding, noting that even if Dr. Mohani Jain resided there before the Act, it was as a guest, not a sub-tenant.

3. Scope of the High Court's Revisional Powers under Section 35 of the Delhi and Ajmer Rent Control Act, 1952:
The High Court, under Section 35 of the Act, has the authority to call for the record of any case to ensure the decision is "according to law" and pass appropriate orders. The High Court's power in revision is broader than merely correcting jurisdictional errors, encompassing the overall legality of the decision. However, it does not equate to a rehearing of the case. The learned single Judge of the High Court erred by reassessing the evidence and substituting his conclusions for those of the lower courts, which had concurrent findings of fact. The Supreme Court emphasized that the High Court should not interfere with findings of fact unless there is a miscarriage of justice due to a legal mistake.

Separate Judgment Analysis:
Justice Kapur concurred with the decision to allow the appeal but provided a nuanced view on the scope of revisional powers under Section 35(1). He opined that the power is broader than suggested by Beaumont, C.J., in Bell & Co. Ltd. v. Waman Hemraj, and includes correcting erroneous decisions on questions of law affecting case merits or manifestly unjust decisions. This power is not limited to procedural errors but extends to substantive errors in evidence evaluation.

Conclusion:
The appeal was allowed, the High Court's order was set aside, and the Additional District Judge's order was restored. The respondent undertook to vacate the premises by April 25, 1962, which was accepted by the appellants.

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