J.V.Gupta, J.

1. The landlord petitioner has filed this revision petition against the order of the Appellate Authority, Jullundir dated 23.1.1978, whereby the order of the Rent Controller directing ejectment of the tenant has been set aside.

2. Shrimati Ram Piari, widow of Shri Buta Ram petitioner filed application for ejectment alleging that the respondents Ram Saroop etc. had taken the shop on rent from her at Rs. 600/- per month with effect from March 25, 1972. It was alleged that the tenants had not paid the rent from March 25, 1972, that they had sub-let the premises without her consent and that they had changed the shape of the premises and had made other constructions without her permission, impairing the valuable utility of the premises. This application was contested by Ram Saroop tenant. It was stated by him that originally the premises were let out on rent by Surinder Kumar (who is son of the petitioner Shrimati Ram Piari) at Rs. 200/- per month on March 27, 1972 and from 1st of April, 1973, the rent was increased to Rs. 300/- per month. So the claim was that Surinder Kumar was the landlord and not the petitioner Shrimati Ram Piari. Other allegations were