The said section provided: "Notwithstanding anything contained in this Act, (a) a landlord who is a member of the armed forces of the Union, or who was such member and is duly retired (which term shall include premature retirement), shall be enti tled to recover possession of any premises, on the ground that the premises are bona fide required by him for occupation by himself or any member of his family (which 97 term shall include a parent or other relation ordinarily residing with him and dependent on him); and the Court shall pass a decree for eviction on such ground if the landlord, at the hearing of the suit produces a certificate signed by the Head of his Service or his Commanding Officer to the effect that (i) he is presently a member of the armed forces of the Union or he was such member and is now a retired ex serviceman; (ii) . . . . (b) . . . . " Dealing with this provision this Court said: "The essential requirement is that he should have leased out the building while he was a member of the Armed Forces.