Section 3. Where the premises to which paragraph 2 applies are let out for the purpose of being used as a resid

3. Where the premises to which paragraph 2 applies are let out for the purpose of being used as a residence or for any of the purposes of a public hospital, an educational institution, a public library or reading room or an orphanage, the basic rent of the premises shall be the original rent increased by— (a) 12-1/2 per cent. thereof, if the original rent per annum is not more than Rs. 300; (b) 15-5/8 per cent. thereof, if the original rent per annum is more than Rs. 300 but not more than Rs. 600; (c) 18-3/4 per cent. thereof, if the original rent per annum is more than Rs. 600 but not more than Rs. 1,200; (d) 25 per cent. thereof, if the original rent per annum is more than Rs. 1,200. 3. Proviso omitted by s. 3, ibid. (w.e.f. 1-12-1988). (ii) if such rent per annum exceeds twelve hundred rupees, the rent so fixed together with fifteen per cent. of such rent; (b) in any other case, the rent calculated on the basis of[1] [ten per cent.] per annum of the aggregate amount of the[2] [actual] cost of construction and the market price of the land comprised in the premises on the date of the commencement of the construction: 3[* * * *] (2) Notwithstanding anything contained in sub-section (1),— (a) in the case of any premises, whether residential or not, constructed on or after the 2nd day of June, 1951, but before the 9th day of June, 1955, the annual rent calculated with reference to the rent at which the premises were let for the month of March, 1958, or if they were not so let, with reference to the rent at which they were last let out, shall be deemed to be the standard rent for a period of seven years from the date of the completion of the construction of such premises; 4[* * * *] (b) in the case of any premises, whether residential or not, constructed on or after the 9th day of June, 1955, including premises constructed after the commencement of this Act[5] [but before the commencement of the Delhi Rent Control (Amendment) Act, 1988], the annual rent calculated with reference to the rent agreed upon between the landlord and the tenant when such premises were first let out shall be deemed to be the standard rent for a period of five years from the date of such letting out. 5 [(c) in the case of any premises, whether residential or not, constructed on or after the commencement of the Delhi Rent Control (Amendment) Act, 1988 and to which the provisions of this Act are made applicable by virtue of clause (d) of section 3, the rent calculated on the basis of ten per cent. per annum of the aggregate amount of the actual cost of construction of the premises and the market price of the land comprised in the premises on the date of commencement of the construction, of the premises shall be deemed to be the standard rent.] (3) For the purposes of this section, residential premises include premises let out for the purposes of a public hospital, an educational institution, a public library, reading room or an orphanage. 6 [6A. Revision of rent. —Notwithstanding anything contained in this Act, the standard rent, or, where no standard rent is fixed under the provisions of this Act in respect of any premises, the rent agreed upon between the landlord and the tenant, may be increased by ten per cent. every three years.]