“7.Despite the finding the Assistant Collector in his complaint referred to earlier seeks to prosecute these accused persons. Hence the question is whether that prosecution is barred under Article 20(2) of the Constitution which says that no person shall be prosecuted and punished for the same offence more than once. This Article has no direct bearing on the question at issue. Evidently those accused persons want to spell out from this Article the rule of autre fois acquit embodied in S.403, Criminal Procedure Code. Assuming we can do that, still it is not possible to hold that a proceeding before the Collector of Customs is a prosecution for an offence. In order to get the benefit of Section 403, Criminal Procedure Code or Article 20 (2), it is necessary for an accused person to establish that he had been tried by a “Court of competent jurisdiction” for an offence and he is convicted or acquitted of that offence and the said conviction or acquittal is in force. If that much is established, it can be contended that he is not liable to be tried again for the same offence nor on the same facts for any other offence for which a different charge from the one made against him might have been made under Section 236 or for which he might have been convicted under Section 273. It has been repeatedly held by this Court that adjudication before a Collector of Customs is not a “prosecution” nor the Collector of Customs a “Court”. In Maqbool Hussain v. State of Bombay, 1953 SCR 730 = (AIR 1953 SC 325), this Court held that the wording of Article 20 of the Constitution and the words used therein show that the proceedings