Section 21(2) in The Delhi Development Authority Act, 1957
(2)The powers of the Authority or, as the case may be, the local authority concerned with respect to the disposal of land under sub-section (1) shall be exercised as to secure, so far as practicable, that persons who are living or carrying on business or other activities on the land shall, if they desire to obtain accommodation on land belonging to the Authority or the local authority concerned and are willing to comply with any requirements of the Authority or the local authority concerned as to its development and use, have an opportunity to obtain thereon accommodation suitable to their reasonable requirements on terms settled with due regard to the price at which any land has been acquired from them:PROVIDED that where the Authority or the local authority concerned proposes to dispose of by sale any land without any development having been undertaken or carried out thereon, it shall offer the land in the first instance to the persons from whom it was acquired, if they desire to purchase it subject to such requirements as to its development and use as the Authority or the local authority concerned may think fit to impose.
