Chemical test reliability and foreign-origin proof failed, so convictions under Gold Control and Customs law were set aside.

Alloy bars were not proved beyond reasonable doubt to contain gold of at least nine carats purity, because the chemical test margin was slight, the result was challenged, and no sample was preserved for independent examination; the Gold Control conviction was therefore set aside. The prosecution also failed to prove that the gold recovered from the alloy was of foreign origin, as required for conviction under the Customs Act, because origin was inferred only from suspicion and purity without independent proof; that conviction was also set aside. The appeal succeeded, the convictions and sentences were annulled, and the appellant was acquitted with refund of any fine paid.

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Issues: (i) Whether possession of the alloy bars amounted to possession of gold of not less than nine carats purity so as to attract the Gold Control Rules; (ii) Whether the prosecution proved that the gold contained in the alloy was of foreign origin and liable to conviction under the Customs Act.

Issue (i): Whether possession of the alloy bars amounted to possession of gold of not less than nine carats purity so as to attract the Gold Control Rules.

Analysis: Gold under Section 2(j) of the Gold (Control) Act, 1968 included alloyed gold only if its purity was not less than nine carats. The evidence showed a purity reading of 9.54 carats, but the margin was slight and the defence specifically challenged the test result. No sample bar was preserved for independent examination, although the appellant had sought that safeguard at the refinery stage. In these circumstances, the possibility of error in the chemical test could not be excluded, and the prosecution failed to establish beyond reasonable doubt that the alloy contained gold above the statutory threshold.

Conclusion: The conviction for contravention of the Gold Control Rules was not sustainable and was set aside in favour of the appellant.

Issue (ii): Whether the prosecution proved that the gold contained in the alloy was of foreign origin and liable to conviction under the Customs Act.

Analysis: For conviction under Section 135(b)(ii) of the Customs Act, 1962, the prosecution had to prove that the gold was of foreign origin and that the appellant was in possession of contraband gold. The bars seized were silver-looking bars, and there was no intrinsic indication that the gold recovered on refining was foreign gold. The inference of foreign origin drawn solely from suspicion and high purity was insufficient, particularly when the source and origin of the gold were not established.

Conclusion: The conviction under the Customs Act was not proved and was set aside in favour of the appellant.

Final Conclusion: The appeal succeeded, the convictions and sentences were annulled, and the appellant stood acquitted with refund of the fine, if paid.

Ratio Decidendi: Where the prosecution relies on chemical analysis to bring an alloy within a penal purity threshold or to infer foreign origin, the charge fails if the test result is not free from reasonable doubt and the accused is denied a fair opportunity to contest the material on which conviction depends.

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