Increase in basic customs duty using section 8A(1) to raise tariffs on walnuts and protein concentrates immediately. The Central Government, invoking its emergency tariff power under section 8A(1) of the Customs Tariff Act, 1975, directs amendment of the First Schedule by substituting the column (4) entries for tariff item 0802 31 00 (walnuts in shell) in Chapter 8 and tariff item 2106 10 00 (protein concentrates and textured protein substances) in Chapter 21, effecting an immediate increase in the applicable basic customs duty rates.