[(1-B) (i) The Central Board of Excise and Customs constituted under the Central Boards of Revenue Act, 1963 (54 of 1963) may, 315[by order], constitute such Committees as may be necessary for the purposes of this Act.
(ii) Every Committee constituted under clause (i) shall consist of two Chief Commissioners of Central Excise or two Commissioners of Central Excise, as the case may be.]