Capital gains exemption for relocation to Special Economic Zone where reinvestment in qualifying new assets defers tax liability. Exemption applies to capital gains on transferring business assets from an urban area to a Special Economic Zone when the assessee reinvests the gains in purchasing machinery or plant, acquiring or constructing building or land, shifting original assets and transferring the establishment, or incurring expenses under a notified scheme; reinvestment equal to or exceeding the gains yields no charge, a shortfall is taxed as income, cost of any new asset is adjusted for subsequent disposals, and unutilised gains must be deposited and used per the notified scheme or become taxable after the prescribed period.