( 1 ) RESPONDENTS after terminating tenancy of their tenant Wasti Ram by notice, filed an application on 5. 9. 70 for eviction under S. 14 (1) of Delhi Rent Act from shop No. 20, New Market West Patel Nagar on grounds : (1) that tenant has sub-let the premises on 1. 2. 70 without obtaining consent in writing, (2) that premises were let for residence but tenant changed the use to commercial purpose, (3) that he has caused substantial damage to property by converting veranda into room and by fixing an iron door in the front portion and raising a brick wall in the back portion, (4) that the petitioners required the premises bona fide for residence, and (5) that the tenant had not paid the rent at the rate of Rs. 1 10 per month and had only paid at the rate of Rs. 108 per month. The Addl. Rent Controller by his order of May 19, 1975 held that the receipt of notice of termination was admitted, and that the premises were initially let out only for commercial purpses. He rejected the contention that any substantial damage has been caused to the premises. As regards subletting he found that Ashok Shorthand Academy is being run in the premises by the tenant Wasti Ram himself with