Surcharge exemption on specified imports granted, subject to conditions limiting applicability and ad valorem versus specific levy rule. Exempts specified imported goods from the surcharge levied under the Finance Bill provision by invoking powers under the Customs Act, subject to conditions: S.No.1 goods remain bound by any conditions attached to their basic customs duty exemption; S.No.3 goods lose the surcharge exemption where ad valorem plus surcharge exceeds the specific duty. The Table itemises multiple tariff headings and many specific machinery, electronic and consumer-goods sub-headings to which the exemption applies.