Calcutta High Court Upholds Further Investigation in ₹85 Lakh Bitcoin Fraud Case, Rejects Quashing Plea

Introduction

In a significant ruling for ongoing cyber fraud investigations, the Calcutta High Court has dismissed a petition seeking to quash criminal proceedings in a case involving an alleged ₹85.80 lakh scam through fake bitcoin trading platforms. Justice Chaitali Chatterjee Das, presiding over the single bench, held that a magistrate's order permitting further investigation under Section 173(8) of the Code of Criminal Procedure (CrPC)—now corresponding to provisions in the Bharatiya Nagarik Suraksha Sanhita (BNSS), 2023—does not suffer from any illegality, even after the submission of an initial Final Report True (FRT). The petitioner, Arup Mondal, who was not named in the First Information Report (FIR), approached the court under Section 482 CrPC to halt the probe, citing apprehension of wrongful implication due to his frozen bank account. The court, however, declined to intervene, emphasizing the supplemental nature of such investigations and the need to trace complex fund flows in high-value frauds. This decision, delivered in Arup Mondal v. State of West Bengal & Anr. (CRR 493 of 2025), reinforces the broad powers of magistrates to ensure thorough probes in economic offenses, particularly in the digital realm where anonymity and interstate transactions complicate enforcement.

The case highlights the evolving challenges in combating cybercrimes, where initial closures of investigations can be revisited upon new leads. With bitcoin and cryptocurrency scams surging across India—reporting a 300% rise in such incidents according to National Cyber Crime Reporting Portal data—the ruling serves as a reminder to potential victims and investigators alike that justice may require persistent scrutiny beyond preliminary findings.

Case Background

The dispute originated from a complaint filed by Shankar Aditya on November 22, 2024, at Patuli Police Station, Kolkata, leading to FIR No. 437 of 2024 under Sections 318(4) and 61(2) of the BNSS, 2023 (corresponding to cheating and criminal conspiracy under the Indian Penal Code). Aditya alleged that between April 11 and June 23, 2024, unknown accused persons orchestrated a sophisticated fraud, luring him into investing ₹85.80 lakhs in bitcoin trading via a fictitious platform called "Yotemo Currency Services Company." The scammers promised exorbitant returns, prompting Aditya to make multiple online transfers to various bank accounts. When he attempted to withdraw his supposed accumulated balance, the fraudsters demanded additional payments for "verification fees," "cross-border charges," and "government-mandated taxes," which he refused. Consequently, Aditya lost the entire invested sum, with no returns forthcoming.

The investigation initially hit a snag, culminating in the police submitting an FRT in February 2025, citing insufficient evidence to proceed against identifiable accused. However, on September 5, 2025, following directives from superior officers, the investigating agency sought and obtained permission from the Additional Chief Judicial Magistrate, South 24 Parganas, for further investigation on September 6, 2025. This reopening was prompted by discoveries of intricate fund trails across multiple banks, including SBI, PNB, RBL, ICICI, IOB, Jana Small Finance Bank, AU Bank, and Saraswat Cooperative Bank.

Enter the petitioner, Arup Mondal, a non-accused individual who learned of the case indirectly when his Punjab National Bank account at Jangra Hattira branch was frozen. Mondal, who claims no involvement in the fraud, filed a criminal revisional application on January 30, 2025, under Section 482 CrPC, arguing that the proceedings were premature and vexatious. He contended that his only connection was the account freeze, and he feared being dragged into the case unjustly. The timeline is crucial: the FRT was filed post-petition, notices were issued to the complainant for appearance on February 9, 2026, but the further investigation order preceded these steps. This sequence formed the crux of the legal challenge, raising questions about the procedural validity of reopening probes and the high court's inherent powers to quash baseless proceedings at an early stage.

The case timeline underscores the procedural intricacies in cyber fraud probes: from complaint in November 2024, to FRT in February 2025, further investigation in September 2025, and the high court hearing culminating in judgment on April 4, 2026. No trial had commenced, keeping the matter in the pre-cognizance phase, which played a pivotal role in the court's analysis.

Arguments Presented

The petitioner's counsel, led by Senior Advocate Rajdeep Mazumdar, mounted a vigorous defense, portraying the proceedings as mala fide and driven by ulterior motives. Key contentions included: First, Mondal was conspicuously absent from the FIR and complaint, rendering any implication against him speculative and unjust. The allegations were described as "absolutely vague and baseless," with no direct link to the fraud. Second, the initial FRT submission in February 2025 evidenced a lack of prosecutable evidence, suggesting the case should have been closed. The subsequent prayer for further investigation on September 5, 2025, was assailed as procedurally flawed—it was allowed on September 6, 2025, before the magistrate accepted or rejected the FRT and prior to the complainant's scheduled appearance following notices issued on June 3, 2025 (with return fixed for February 9, 2026). Counsel argued this violated due process, as further investigation under Section 173(8) CrPC requires fresh material and cannot be invoked arbitrarily post-FRT without judicial scrutiny of the closure report.

Reliance was placed on Supreme Court precedents to bolster these claims. In Vinubhai Haribhai Malviya v. State of Gujarat (2019) 17 SCC 1, it was urged that a magistrate's power to order further investigation is discretionary but must align with law, triggered only by new facts for substantial justice. Similarly, Vikash Ranjan Rout v. State (NCT of Delhi) (2019) 5 SCC 542 distinguished pre- and post-cognizance stages, implying the order here was premature. Anand Kumar Mohatta v. State (NCT of Delhi) (2019) 11 SCC 706 was cited to argue that quashing petitions remain viable even post-charge sheet, emphasizing prima facie scrutiny of allegations. Additionally, the counsel highlighted the petitioner's prejudice from the account freeze persisting post-FRT and noted unanswered notices to Mondal as potentially coincidental, not indicative of complicity.

In opposition, the State, represented by Advocates Rudradipta Nandy and Santanu Talukdar, defended the investigation's integrity and necessity. They submitted that the further probe was ordered on September 22, 2025, per superior directives after uncovering complex transaction patterns from Aditya's ICICI Bank (Garia branch) to sundry accounts during the fraud period. Crucially, 15 mobile numbers linked to fraudulent communications were registered in Mondal's name, and three notices sent to his addresses went largely unanswered—one returned, others ignored—suggesting evasion. The State argued this conduct warranted deeper inquiry to trace misappropriated funds and identify perpetrators in a conspiracy worth over ₹80 lakhs.

The prosecution emphasized that the magistrate's order was lawful, as the matter remained pending post-FRT (with notices issued but not adjudicated), allowing supplemental investigation without illegality. They countered the procedural challenge by noting the court's wide supervisory powers under Section 156(3) CrPC to ensure fair probes, especially in cyber frauds involving digital anonymity. For the opposite party (complainant), Advocate Nizamuddin Ahmed supported continuation, stressing the victim's substantial loss and the need for accountability.

These arguments framed the core legal questions: Can further investigation be ordered post-FRT before complainant appearance? Does mere apprehension suffice for quashing in non-accused petitioners? And how do high courts balance individual rights against public interest in fraud cases?

Legal Analysis

Justice Das meticulously dissected the legal framework governing further investigations, affirming the magistrate's expansive authority under Section 173(8) CrPC. The court clarified that such probes are "additional, more, or supplemental" to initial efforts, not a fresh start that erases prior findings ( Rama Chaudhary v. State of Bihar , (2009) 6 SCC 346). This supplemental character allows continuity where new leads emerge, particularly vital in cyber frauds with layered digital trails.

Central to the reasoning was the Supreme Court's exposition in Vinubhai Haribhai Malviya v. State of Gujarat (supra), which held that magistrates possess "very wide" powers under Section 156(3) CrPC to supervise police investigations, extending to post-173(2) reports until trial commencement. Article 21 of the Constitution mandates fair and just probes, implying incidental powers for further investigation to uphold truth and justice. The court distinguished this from re-investigations, noting the petitioner's initial mention of "re-investigation" was corrected to "further investigation," which the magistrate appropriately accepted while the case was pending (notices issued, but no final acceptance of FRT).

State through CBI v. Hemendra Reddy (2023) SCC Online SC 515 was pivotal, addressing whether high courts can quash prosecutions solely because further investigation followed an accepted closure report. The apex court ruled against such blanket quashing, affirming police permission-seeking for post-FRT probes and magistrates' unfettered discretion if proceedings are pending. Here, since cognizance hadn't culminated in trial and notices kept the matter alive, no procedural irregularity tainted the order.

The judgment referenced Hasanbhai Valibhai Qureshi v. State of Gujarat (supra), underscoring that delays in trials shouldn't bar further probes if they aid truth-finding. Vinay Tyagi v. Irshad Ali (2013) 5 SCC 762 was invoked to affirm police's rider-bound right to continue post-173(2) reports with court nod. Distinguishing Vikash Ranjan Rout (supra) on factual grounds—where accused discharge was set aside—the court found no merit in prematurity claims, as the FRT wasn't formally closed.

On quashing, the bench applied Anand Kumar Mohatta (supra) and Joseph Salvaraj A. v. State of Gujarat (2011) 7 SCC 59, holding that even post-FRT or charge sheet, inherent powers under Section 482 allow scrutiny but not interference based on apprehension alone, especially in ₹80 lakh+ frauds. Mondal's non-FIR status and evasion indicators (unanswered notices, multiple SIMs) justified non-interference. The analysis delimited quashing to egregious cases, not ongoing Anti-Fraud section probes, balancing individual liberty with societal protection against economic crimes.

This reasoning integrates BNSS transitions seamlessly, noting Section 482 CrPC's equivalence to 528 BNSS, ensuring continuity in procedural jurisprudence.

Key Observations

The judgment is replete with incisive observations that illuminate the court's stance on investigative flexibility:

• On the nature of further investigation: "further investigation within the meaning of provision of Section 173(8) Cr.PC is additional; more; or supplemental. ‘further investigation’, therefore, is the continuation of the earlier investigation and not a fresh investigation or re-investigation to be started wiping out the earlier investigation all together." (Para 11, quoting Rama Chaudhary v. State of Bihar )

• Regarding magisterial powers: "It is thus clear that the Magistrate's power under Section 156(3) of the CrPC is very wide, for it is this judicial authority that must be satisfied that a proper investigation by the police takes place... which power would continue to ensure in such Magistrate at all stages of the criminal proceedings until the trial itself commences." (Para 14, from Vinubhai Haribhai Malviya v. State of Gujarat )

• On quashing thresholds: "Only on the basis of apprehension a case involving more than 80 lakhs cannot be quashed specially when the investigation is still going on by the Anti-Fraud section and the petitioner is not an FIR named accused." (Para 17)

• Emphasizing justice over delay: "the mere fact that there may have the delay in concluding the trial should not stand in the way of further investigation, if that would help the Court in arriving at the truth and do real and substantial and effective justice." (Para 11, citing Hasanbhai Valibhai Qureshi v. State of Gujarat )

• Procedural validity: "In the light of the above judicial pronouncement it can be seen in the instant case, after the final report was submitted before the magistrate, the direction was given to issue notice, keeping the matter pending for appearance of the de-facto complainant. Meantime, the application was taken out by the investigating authority for further investigation." (Para 13)

These excerpts underscore the court's commitment to robust enforcement mechanisms in fraud cases.

Court's Decision

The Calcutta High Court unequivocally dismissed the criminal revisional application, stating: "Hence, this court is not inclined to allow the prayer of the petitioner. The instant criminal revisional application is hence stands dismissed. No order as to cost." (Paras 18-19). No interference was granted with the ongoing investigation, and urgent certified copies were directed for parties upon application.

Practically, this upholds the magistrate's September 6, 2025, order, enabling police to delve deeper into fund flows, mobile linkages, and potential culprits. For Mondal, it means continued scrutiny but no immediate charges, as he remains unnamed. Broader implications are profound: it bolsters investigative agencies in cyber frauds, where initial dead-ends often mask deeper conspiracies involving mule accounts and SIM frauds. Future cases may see more post-FRT reopenings, reducing premature closures and enhancing recovery chances for victims like Aditya (e.g., the September 8, 2025, order transferring ₹1.58 lakhs from a frozen IndusInd account to the complainant upon bonding).

This ruling could influence jurisprudence under BNSS, encouraging magistrates to exercise Section 173(8)-like powers proactively. For legal practitioners, it signals caution in quashing pleas based on apprehension, prioritizing public interest in economic offenses. In an era of rising digital scams— with India's cyber fraud losses exceeding ₹10,000 crores annually per RBI data—this decision promotes accountability, potentially deterring fraudsters while protecting innocents through fair process. Ultimately, it exemplifies judicial pragmatism, ensuring justice isn't truncated by procedural nitpicking in complex crimes.

The order, uploaded on April 4, 2026, invites further appeals but sets a precedent for persistence in probing white-collar digital deceptions, fostering a more resilient legal response to evolving threats.