( 1 ) THIS petition under Article 227 of the Constitution is directed against an order dated 24th May, 1975, by which an Additional Rent Controller, Delhi, dismissed the petitioner s application under section 151 of the Code of Civil Procedure moved in that court. To appreciate the scope of the controversy in this Court it will be advantageous to first briefly notice the facts and circumstances leading to the impugned order. .

( 2 ) THE petitioner claims to be a tenant in the premises bearing No. 6324, Padam Singh Road, Karol Bagh, New Delhi. This property was owned by one Harbans Kaur. On February 9, 1971, the petitioner filed an application in the court of Rent Controller, Delhi, for fixation of standard rent of the premises in her occupation, claiming herself to be a tenant of Harbans Kaur. This application was decided exparte on October 12, 1971, and standard rent was fixed at Rs. 62. 50 per month. On October 15, 1971, Harbans Kaur sold the said property to the present respondents. In September, 1973, an application was moved by the present respondents in the court of Additional Rent Controller under Order 9 Rule 13 of the Code of Civil Procedure praying that the