13. (1) The Authority shall prepare in the prescribed manner and submit to the Government for approval specific development schemes for an area to which this Ordinance extends or any part thereof on the basis of the functional master plans, and all such development schemes shall contain plans for the proposed developments, including those for housing, if any, written reports, specifications of works, estimates of cost and proposed methods of financing. (2) A development scheme prepared and submitted under sub-section (1) may provide for all or any of the following matters, namely:- (a) the acquisition of any land in the area comprised in the scheme, which may, in the opinion of the Authority, be required for, or be affected by, the execution of the scheme; (b) the laying out or re-laying out of the land in the said area; (c) such demolition, alteration or reconstruction of buildings situated on the land which it is proposed to acquire in the said area as the Authority may consider necessary; (d) the construction of any building which the Authority may consider it necessary to erect for any purpose, consistent with the provisions of this Ordinance, other than sale; (e) laying out or alteration of streets, drains, sewers, water supply pipe lines, bridges, cause ways and culverts; (f) the levelling, paving, metalling, flagging, channelling, swearing, and draining of the said streets and provision therein of water, lighting, and other sanitary conveniences ordinarily provided in a municipality; (g) the raising, lowering, or levelling of any land in the area comprised in the scheme; (h) the formation, retention, enlargement and improvement of open spaces; (i) the augmentation of the present water supply or any other scheme for the improvement of water supply; (j) the making of a drainage and sewerage scheme including outfall works ; (k) the acquisition and reservation of sites for construction of educational institutions, health centres, hospitals, power houses and electric sub-stations, bus, taxi and rickshaw stands and bazaars; and (l) any other matter consistent with this Ordinance which the Authority may consider necessary. (3) The Government may approve a development scheme submitted to it under sub-section (1) with or without modifications.