law: 23. Right to recover immediate possession of premises to accrue to certain persons.-
  (1) Where a person in occupation of any residential premises allotted to him by the Government or any local authority is required by, or in pursuance of, any general or special order made by that Government or authority to vacate such residential accommodation, or in default to incur certain obligations, on the ground that he or his spouse or his dependent son or daughter, as the case may be, owns, in the National Capital Territory of Delhi a residential accommodation, there shall accrue, on and from the date of such order, to such person, his spouse or his dependent son or daughter, as the case may be, notwithstanding anything contained elsewhere in this Act or in any other law for the time being in force or in any contract (whether express or implied), custom or usage to the contrary, a right to recover immediate possession of any premises let out by him, his spouse or his dependent son or daughter, as the case may be:
  Provided that nothing in this section shall be construed as conferring a right on such person, his spouse or his dependent son or daughter, as the case may be, owning, in the National Capital Territory of Delhi; two or more dwelling houses, to recover the possession of more than one dwelling house and it shall be lawful for such person, his spouse or his dependent son or daughter, as the case may be, to indicate the dwelling house possession of which he intended to recover.
  Explanation.-For the purposes of this sub-section, sections 24, 25 and 26, immediate possession shall mean possession recoverable on the expiry of sixty days from the date of order of eviction.
  (2) Where a landlord exercises the right of recovery conferred on him by sub-section (1) or section 22, 24, 25 or 26 and he had received,-
  (a) any rent in advance from the tenant, he shall, within a period of ninety days from the date of recovery of possession of the premises by him, refund to the tenant such amount as represents the rent payable for the unexpired portion of the contract, agreement or lease;
  (b) any other payment, he shall, within the period aforesaid, refund to the tenant a sum which shall bear the same proportion to the total amount so received, as the unexpired portion of the contract, agreement or lease bears to the total period of contract, agreement or lease: Provided that, if any default is made in making any refund as aforesaid, the landlord shall be liable to pay simple interest at the rate of fifteen per cent. per annum on the amount which he has omitted or failed to refund: Provided further that it shall be permissible for the landlord to set off any amount which he is lawfully entitled to recover from the tenant against the refund due to the tenant.