Author : Kshitika Ajgaonkar
College: Kirit P. Mehta School of Law
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Abstract
Diamonds are forged under immense pressure deep within the earth, however the Nirav Modi– Punjab National Bank (PNB) fraud was forged under the immense pressure of greed, deceit, and flawed systemic vulnerability. Between 2011 and 2017, fraudulent Letters of Undertaking (LoUs) worth approximately ₹13,000 to 14,000 crore were issued through PNB’s branch in Mumbai, enabling Modi’s diamond firms to obtain buyer’s credit from overseas branches of Indian banks without necessary collateral or internal recording. The scheme exploited the SWIFT(Society for Worldwide Interbank Financial Telecommunication) messaging system while deliberately going about the core banking system, creating an uncanny liability that surfaced only when a single official raised the motion in January 2018.
This article dissects the fraud through the lenses of a legal aspect, the Indian Penal Code, the Prevention of Corruption Act, 1988 (PCA), the Prevention of Money Laundering Act, 2002 (PMLA), and the Fugitive Economic Offenders Act, 2018. The analysis reveals not merely one man’s criminal act but the structural inadequacies in Indian legal and financial supervision, investigative coordination, and cross-border enforcement that allowed “diamonds” of illicit wealth to be cut and polished in plain sight.
To the Point
At its core, the fraud was deceptively simple. Junior and mid-level PNB officials issued forged LoUs essentially bank guarantees, favouring firms linked to Nirav Modi (Firestar Diamond, Solar Exports, Stellar Diamonds and more). These LoUs were transmitted via SWIFT to overseas branches of banks such as Allahabad Bank, Axis Bank, and others, which then extended credit. Additionally, the transactions were never entered into PNB’s core banking system, so neither the head office nor the Reserve Bank of India (RBI) detected the growing contingent liability.
When the scam unravelled, Modi and his uncle Mehul Choksi fled India. The Central Bureau of Investigation (CBI) registered cases under Sections 120B, 420, 467, 468, and 471 of the IPC, among others. The Enforcement Directorate (ED) invoked the PMLA. Assets were attached, and Modi was declared a Fugitive Economic Offender in December 2019. Yet years later, the principal accused remains in the United Kingdom, fighting extradition through successive appeals, the most recent of which the UK High Court rejected in March 2026. The case thus stands as both a completed financial crime and an unfinished legal contention.
The Proof
Documentary and electronic evidence forms the backbone of accusations in this case. SWIFT messages, internal emails, and the absence of said entries in the core banking system constitute primary proof of the operation. Confessions and statements under Section 164 CrPC(Criminal Procedure Code) by certain bank officials, recovery of luxury assets, and money trails mapped into overseas entities and diamond trading fronts complete the evidentiary chain.
A Special PMLA Court in 2020 ordered confiscation of assets valued at nearly ₹1,400 crore. Others followed actions under the Fugitive Economic Offenders Act. In parallel civil proceedings in London, the Bank of India received a judgment in 2026 holding Modi liable for over $10.7 million in outstanding dues linked to constituted facilities. The pattern mirrors earlier banking frauds, fake LoUs, collusive officials, and delayed detection, yet the sheer scale and the use of the diamond trade’s opacity for proceeds distinguish it.
Institutional proof of systemic failure is quite compelling. Audits, RBI’s circulars on LoUs, and the absence of mandatory reconciliation between SWIFT and banking systems until after the scandal exposed regulatory lag. The case therefore functions as both forensic evidence of individual accountability and evidence of supervisory flaw
Case Laws
1. CBI, Bank Securities & Fraud Cell v. Ramesh Gelli(2016) – The Supreme Court held that directors and officers of private banks fall within the definition of “public servant” under the PCA, 1988, by virtue of Section 46A of the Banking Regulation Act, 1949. This precedent expands the PCA’s net to cover collusive bank officials even outside purely public-sector institutions.
2. Vijay Madanlal Choudhary v. Union of India (2022) – The Constitution Bench upheld the constitutional validity of key PMLA provisions, including the reverse burden and the twin conditions for bail, reinforcing the ED’s investigative arsenal in cases of this magnitude.
3. Dr. Subramanian Swamy v. Director, CBI (2014) – The Court struck down the requirement of prior sanction under Section 6A of the Delhi Special Police Establishment Act for senior public servants, facilitating swifter investigation of high-level corruption—relevant to the PCA dimensions of the PNB case.
4. State of Maharashtra v. Tapas D. Neogy (1999) and related authorities on Section 409 IPC – These underscore that bankers stand in a fiduciary position; dishonest misappropriation or diversion of funds attracts aggravated liability.
5. Enforcement Directorate v. Mehul Choksi & related PMLA attachment orders (including the 2020 Special Court confiscation order against Nirav Modi entities) – These illustrate the practical operation of attachment and confiscation under the PMLA and the Fugitive Economic Offenders Act, treating diamond-related entities as vehicles for layering proceeds of crime.
CONCLUSION .
The Nirav Modi fraud was not merely a banking scandal, it was a strenuous test of India’s legal and institutional architecture. The Prevention of Corruption Act, 1988, and the PMLA provided viable tools, yet lagged swift detection, inter-agency coordination was imperfect, and extradition remains loose. The case exposed how reliance on manual overrides, weak audit, and the opacity of the diamond trade created an ample ground for fraud, set by our system
Judicial precedents have strengthened the State’s hand, expanding reach, upholding PMLA’s rigour, and affirming the enforceability of extradition assurances. Nevertheless, the continued absence of the principal accused years after the FIR undermines the limits of domestic legislation in a borderless financial world. True reform requires not only stricter statutes but real-time technological integration, sharper supervisory culture, and swifter mutual legal assistance. Until then, the illicit diamonds will continue to be cut wherever pressure and opportunity coincide.
FAQs
Q1. What was the approximate size of the fraud?
Approximately ₹13,000–14,000 crore in fraudulent LoUs issued through PNB.
Q2. Why did the fraud remain undetected for years?
LoUs were sent via SWIFT but not recorded in the core banking system, bypassing internal controls and RBI oversight.
Q3. Can private bank officials be prosecuted under the Prevention of Corruption Act?
Yes. The Supreme Court in CBI v. Ramesh Gelli clarified that they are public servants for PCA purposes.
Q4. What is the status of Nirav Modi’s extradition?
UK courts have repeatedly rejected his challenges; the High Court refused to reopen the appeal in March 2026, advancing the process toward surrender.
Q5. Have assets been recovered?
Significant attachments and confiscations have occurred under the PMLA and Fugitive Economic Offenders Act, including orders covering nearly ₹1,400 crore and further properties.
Q6. How does this case differ from the Vijay Mallya matter?
Both involve large-scale banking defaults and extradition battles, but Modi’s case centres on fraudulent guarantees and diamond trade layering rather than primarily aviation-related loans.
REFERENCE LINKS
● Wikipedia summary of Punjab National Bank Scam (for chronology and official actions).
● Supreme Court judgment in CBI v. Ramesh Gelli (2016).
● UK High Court judgment Nirav Deepak Modi v. Government of India [2022] EWHC 2829 (Admin) and 2026 refusal to reopen.
● Special PMLA Court confiscation orders (2020) and ED press releases on attachments.
● RBI circulars on LoUs and SWIFT core banking reconciliation post-2018.
● Reports and analyses from The Indian Express, SCC Online, and Times of India on extradition developments
