In this Chapter, unless the context otherwise requires,-

(40) "process amounting to manufacture or production of goods" means a process on which duties of excise are leviable under section 3 of the Central Excise Act, 1944 (1 of 1944.) or the Medicinal and Toilet Preparations (Excise Duties) Act,1955 (16 of 1955) or any process amounting to manufacture of alcoholic liquors for human consumption, opium, Indian hemp and other narcotic drugs and narcotics on which duties of excise are leviable under any State Act for the time being in force;