( 1 ) BY this petition under Article 226 of the Constitution of India, H. C. Sharma has challenged the vires of Section 14 of the Delhi Rent Control Act, 1958 (hereinafter REFERRED TO to as "the Act") on the ground that it is violative of Articles 14, 19 (l) (f) and 31 of the Constitution of India. The relevant facts are that the petitioner is the owner of the premises described as Flat No. 28-E, Connaught Place, New Delhi. The petitioner had leased out the said flat to the National Insurance Company Limited for non-residential use. The National Insurance Company was nationalised and on its nationalisation, the Life Insurance Corporation of India became the tenant of the said premises under the petitioner. The petitioner requested respondent no. 1 for vacating the premises as he required the premises for his bona fide use and occupation. The demised premises are in possession of an officer of respondent no. 1 who is using it for his residence. Respondent No. 1 did not vacate the premises. The petitioner filed an application against respondent no. 1 for his eviction on the ground that respondent no. 1 had sub-let the premises. The petitioner was unsuccessful in th