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Calcutta High Court Overturns Conviction in Mustard Oil Adulteration Case

LAW FINDER NEWS NETWORK | March 6, 2026 at 4:51 PM
Calcutta High Court Overturns Conviction in Mustard Oil Adulteration Case

Discrepancies in Analytical Reports and Unreliable Seizure Evidence Lead to Acquittal


In a significant ruling, the Calcutta High Court has set aside the conviction of Narayan Chandra Gorai under the Prevention of Food Adulteration Act, 1954. The case, which revolved around allegations of adulteration of mustard oil with sesame oil, was dismissed due to discrepancies in analytical reports and unreliable seizure evidence.


The judgment, delivered by Justice Ajay Kumar Gupta, came after a detailed examination of the evidence presented in the case. The petitioner, Narayan Chandra Gorai, co-owner of a mustard oil mill in Ganganidanga, was previously found guilty by both the Trial Court and the Appellate Court. However, the High Court found that the prosecution's case was built on shaky ground.


The case began when samples collected from Gorai's mill were sent to the Public Analyst and the Central Food Laboratory (CFL) for testing. The Public Analyst's report indicated that the mustard oil was adulterated with sesame oil, showing 30.00 red units. However, the CFL report, which should have provided a more precise analysis, failed to specify the blend percentage of sesame oil, casting doubt on the reliability of the results.


The court noted that the discrepancies between the two reports were significant, with the CFL report lacking the necessary detail to substantiate the claims of adulteration. Furthermore, the court observed that the independent seizure witness did not support the prosecution's case. The witness admitted to signing the seizure list at the request of the officer, without knowledge of its contents, undermining the credibility of the seizure process.


Justice Gupta emphasized the importance of adhering to mandatory procedures under the Prevention of Food Adulteration Rules. He highlighted that the lack of compliance with these procedures, coupled with the unreliable evidence, created reasonable doubt regarding the prosecution's case.


In light of these findings, the court ruled in favor of Gorai, granting him the benefit of the doubt and setting aside his conviction and sentences. The judgment also ordered Gorai's immediate release upon execution of a bond under the Criminal Procedure Code.


This decision underscores the necessity for rigorous adherence to legal procedures and the presentation of credible evidence in ensuring justice. The case serves as a reminder of the judiciary's role in safeguarding the rights of individuals against wrongful convictions.


Bottom Line:

Conviction under Prevention of Food Adulteration Act, 1954 set aside due to discrepancies in analytical reports and lack of credible seizure evidence.


Statutory provision(s): Prevention of Food Adulteration Act, 1954 Sections 7(i)/16(1)(a)(i), Criminal Procedure Code, 1973 Section 482, Bharatiya Nagarik Suraksha Sanhita, 2023 Section 481.


Narayan Chandra Gorai v. State of West Bengal, (Calcutta) : Law Finder Doc id # 2852357

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