Section 25B(5) in The Delhi Rent Control Act, 1958
(5)The Controller shall give to the tenant leave to contest the application if the affidavit filed by the tenant discloses such facts as would disentitle the landlord from obtaining an order for the recovery of possession of the premises on the ground specified in clause (c) of the proviso to sub-section (1) of section 14, or under section 14A.