Jurisdiction redefinition of Central Excise commissioners reallocates territorial areas and consolidates chief commissioner groupings under amendment. Notification No. 59/97 amends rule 2 of the Central Excise Rules, 1944 to reassign specific territorial areas among Commissionerates-including detailed reallocations within Karnataka-and substitutes clause (6) to group Commissionerates under designated Chief Commissioners for all excisable goods, clarifying supervisory responsibilities and certain functional inclusions and exceptions.