project that entry in the interpretation and application of Section 5 sub-section (3) of the Central Sales Tax Act. In fact Entry 13-a as amended, supports the argument that even processed or frozen shrimps, prawns and lobsters are known commercially and in the trade as "shrimps, prawns and lobsters". It is because Entry 13-a as it stood prior to its amendment, would have, on the plain natural meaning of the expression "shrimps, prawns and lobsters", included processed and frozen shrimps, prawns and lobsters, that it became necessary for the State legislature to amend Entry 13-a with retrospective effect so as to exclude from the scope and ambit of that entry processed or frozen shrimps, prawns and lobsters. Now when the State legislature excluded processed or frozen shrimps, prawns and lobsters from the ambit and coverage of Entry 13-a, its object obviously was that the last purchases of processed or frozen shrimps, prawns and lobsters in the State should not be exigible to State sales tax under Entry 13-a. The state legislature was not at all concerned with the question as to whether processed or frozen shrimps, prawns and lobsters are commercially the same commodity as raw shrimps, prawns and lobsters or are a different commodity and merely because the State legislature made a distinction between the two for the purpose of determining exigibility to State sales tax, it cannot be said that in commercial parlance or according to popular sense, processed or frozen shrimps, prawns and lobsters are recognised as different commodity distinct from raw shrimps, prawns and lobsters. The question whether raw shrimps, prawns and lobsters after suffering