Judicial oversight of criminal investigation justified transfer of trial and continued monitoring, but no fresh investigation was ordered.

Serious deficiencies in a criminal investigation, including delay in apprehending key accused and inconsistencies in the prosecution's approach, justified judicial intervention to preserve confidence in the criminal process and prevent miscarriage of justice. The Supreme Court held that, in an exceptional case, the trial could be transferred and the investigation monitored to secure a fair and effective prosecution; the pending sessions case was transferred to Calcutta and CBI investigation was continued under close oversight. However, the Court declined to quash the charge-sheets or order a de novo investigation by a special investigation team or other independent agency, considering continued investigation by the existing agency sufficient at that stage.

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Issues: (i) whether the deficiencies noticed in the investigation and prosecution warranted transfer of the criminal trial and continued monitoring of the investigation by the Court; (ii) whether the prayer for quashing the charge-sheets and directing a de novo investigation by a special investigation team or other independent agency should be granted.

Issue (i): whether the deficiencies noticed in the investigation and prosecution warranted transfer of the criminal trial and continued monitoring of the investigation by the Court.

Analysis: The record disclosed serious concerns regarding the pace and quality of investigation, including long non-apprehension of key accused, inconsistent positions on arrest and custody, and the need to preserve confidence in the criminal process. The Court reiterated that where investigation or prosecution appears deficient, courts may intervene to secure a fair process, prevent miscarriage of justice, and ensure that the real culprits are brought before the Court. It also accepted that, in an appropriate case, the trial may be transferred and the investigation monitored to secure effective prosecution.

Conclusion: The issue was answered in favour of the petitioner. The pending sessions case was directed to be transferred to Calcutta, and the CBI investigation was ordered to continue under close monitoring.

Issue (ii): whether the prayer for quashing the charge-sheets and directing a de novo investigation by a special investigation team or other independent agency should be granted.

Analysis: The Court did not find it appropriate to quash the existing charge-sheets. It held that the intercepted telephonic material could not be excluded at that stage, that the investigation had not concluded, and that further investigation by the CBI could still be carried out effectively. While acknowledging the exceptional power to order de novo investigation in appropriate cases, the Court considered the proper course to be continued CBI investigation, with safeguards to ensure a complete report and effective trial rather than substitution of the investigative agency.

Conclusion: The issue was answered only partly in favour of the petitioner. A de novo investigation by a special investigation team or other independent agency was not ordered, but further CBI investigation was directed.

Final Conclusion: The writ petition succeeded to the extent that the criminal trial was shifted to Calcutta and the investigation was directed to continue under close judicial oversight, while the request to annul the existing charge-sheets and compel a fresh investigation by another agency was declined.

Ratio Decidendi: In an exceptional criminal case showing serious investigative deficiencies, the Court may order transfer of trial and continued monitoring of further investigation to prevent miscarriage of justice, while declining de novo investigation where continued investigation by the existing agency can still secure a fair and complete prosecution.

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