How NHAI Failed To Protect Public Funds From The Alleged Corruption Of Anil Ambani Group?

In August 2026 the Enforcement Directorate filed a prosecution complaint under the Prevention of Money Laundering Act against Reliance Infrastructure Limited, former group executive Sateesh Seth and others. At the heart of the complaint lies an allegation that approximately ₹187 crore was siphoned from four National Highways Authority of India (NHAI) toll-road projects during September and October 2010.

The projects Trichy-Karur (NH-67), Trichy-Dindigul (NH-45), Salem-Ulundurpet (NH-68) and Jaipur-Reengus (NH-11) were financed through a combination of NHAI grants and loans from banks and financial institutions. According to the ED, the money moved through sham, post-facto or back-dated arrangements for fictitious sub-contracting work, then through construction contractors into shell entities with no genuine connection to road construction, and was layered further through diamond traders. Documents were allegedly created after the fact to present the transfers as legitimate project expenditure.

These remain allegations contained in a prosecution complaint and subject to judicial determination. Yet the public character of the funding, where NHAI grants drawn from the public exchequer and bank loans that ultimately rest on public-sector balance sheets, makes the case a matter of institutional accountability as much as corporate conduct. The central unanswered question is why a diversion of this nature, if the ED’s account is established, went undetected for so long, and what that silence says about the monitoring architecture that was supposed to protect public money in these projects.

The ED’s press release and subsequent reporting describe a structured sequence. Funds left Reliance Infrastructure or its project-specific special purpose vehicles and EPC contractors, passed to construction contractors, and then entered shell entities lacking any nexus with highway construction. Back-dated or post-facto documentation was used to create the appearance of genuine sub-contracting. The temporal concentration of the alleged transfers, from September and October 2010, suggests a discrete window of activity rather than gradual leakage over years.

In parallel reporting of related proceedings, more granular details have emerged about individual project legs. In the Jaipur-Reengus corridor, for example, an advance payment of roughly ₹39 crore was allegedly made under an undated amendment whose stamp paper was purchased weeks after the payment itself. In the Trichy-Karur project, the SPV is said to have engaged an EPC contractor whose board and operations were controlled by associates of the same senior executive later arrested by the ED. These particulars, if proved, illustrate how contractual formalities can be manipulated to disguise the true destination of funds.

What makes the case particularly concerning from a public-finance perspective is the source of the money. NHAI grants are not commercial capital; they represent taxpayer resources allocated to accelerate national highway development. Bank loans, especially those from public-sector institutions, carry an implicit public backstop. When such funds are alleged to have left the project ecosystem entirely and entered unrelated commercial channels, the loss is socialised even if the immediate beneficiaries are private.

The Institutional Architecture That Was Supposed to Prevent This

NHAI toll projects under the BOT or similar models operate within a defined contractual and monitoring framework. Concession agreements typically require the appointment of an Independent Engineer (IE) responsible for certifying progress, verifying quantities and confirming that expenditure aligns with the approved project scope. Escrow accounts are meant to ring-fence project cash flows so that lenders and the authority can track inflows and outflows. Tripartite arrangements among the concessionaire, lenders and NHAI often provide for review committees and, in later iterations of policy, concurrent audit mechanisms.

In theory, these layers should make large-scale fictitious sub-contracting difficult to conceal. Advance payments, variations, and back-dated amendments are precisely the kinds of transactions that Independent Engineers and lender monitoring teams are expected to scrutinise. Yet the ED’s narrative implies that roughly ₹187 crore moved through such channels in a two-month window without triggering contemporaneous red flags sufficient to stop or reverse the flow.

This raises a series of concrete questions that NHAI has so far not publicly addressed in relation to these four projects:

– What was the role and reporting of the Independent Engineers on each of the four corridors during September–October 2010? Were the alleged sham arrangements ever placed before the IE for certification, and if so, on what basis were they accepted?

– Did the escrow mechanisms function as designed? Were the transfers visible in the project accounts, and did any concurrent or periodic review by NHAI project implementation units or regional offices flag anomalies?

– What end-use verification was performed by NHAI or the lending consortium at the time the grants and loans were disbursed or drawn down? Were physical progress certificates cross-checked against financial disbursements with sufficient rigour?

– Once the projects reached commercial operation or subsequent stages, did any routine audit, toll-revenue reconciliation or residual claim process surface discrepancies that should have prompted earlier investigation?

The absence of public answers to these questions is itself significant. 16 years separated the alleged transfers from the formal prosecution complaint. An FIR by the Mumbai Economic Offences Wing in February 2026 and the ED’s subsequent investigation finally brought the matter into the open. The lag invites legitimate concern about institutional memory, record retention, and the willingness of project authorities to revisit closed or dormant files when new information emerges.

Systemic Patterns in Project Oversight

CAG audits of NHAI over successive years have repeatedly highlighted weaknesses in detailed project reports, change-of-scope management, premature release of viability-gap funding, and gaps in escrow and concurrent-audit mechanisms in certain projects. While those findings are not specific to the four corridors named by the ED, they establish that monitoring shortfalls are not unknown within the organisation. In some audited cases, concurrent auditors were not appointed despite contractual provision; in others, escrow statements received insufficient analysis at the project-implementation-unit level. When such gaps exist, the opportunity for sophisticated layering through related or shell entities increases.

The public-private partnership model places primary construction and financing risk on the concessionaire, but it does not relieve the awarding authority of its responsibility to safeguard the public component of the funding. Grants and any form of public support carry an obligation of continuous due diligence. That obligation cannot be discharged solely by the existence of contractual clauses; it requires active verification, timely intervention, and a culture that treats anomalies as matters requiring immediate escalation rather than routine paperwork.

Why the Silence of NHAI Matters?

Institutional silence in the face of serious allegations about the misuse of public grants has costs that extend beyond any single case. It erodes confidence among lenders who rely on the authority’s oversight as part of their own risk assessment. It signals to future concessionaires that documentation trails may be more important than substantive verification. And it leaves the taxpayer with the residual risk that funds intended for national infrastructure may have left the project ecosystem without detection for more than a decade.

NHAI is not accused in the ED complaint of having engineered the alleged diversion. The prosecution complaint targets the corporate entity, the former executive and related parties. Responsibility for any criminal act, if proved, will be determined by the courts. What remains open, and what public accountability requires, is a transparent accounting of how the monitoring systems performed, or failed to perform, in real time. Why were back-dated amendments and payments to entities with no construction nexus not flagged?

Why did the Independent Engineer process, the escrow architecture and the project-level reviews not generate contemporaneous alerts sufficient to interrupt the alleged flow? And once investigative agencies began examining the transactions years later, what cooperation and record production occurred from the project files?

These are not peripheral questions. They go to the heart of whether the institutional safeguards designed to protect public money in highway development are robust enough to detect sophisticated attempts at diversion, or whether they remain vulnerable to determined layering and documentation after the fact.

The Broader Public-Interest Stakes

National highway projects represent one of the largest continuous deployments of public capital in the Indian economy. The integrity of that deployment depends on more than competitive bidding and contractual drafting. It depends on the day-to-day functioning of monitoring mechanisms, the independence and competence of the engineers and auditors charged with verification, and the willingness of the authority to treat anomalies as red flags rather than administrative inconveniences.

When an agency of the stature of the Enforcement Directorate describes an organised scheme that allegedly moved ₹187 crore of project-linked funds into shell entities and diamond-trading channels, the public is entitled to know whether the project authority’s systems were circumvented, overwhelmed, or simply not looking. The answer to that question will determine whether the case remains an isolated corporate prosecution or becomes a catalyst for tightening the oversight architecture that governs every future NHAI-funded corridor.

The prosecution complaint will now proceed through the judicial process. Parallel to that process, a clear, documented public response from NHAI addressing the monitoring history of these four projects would serve both transparency and institutional credibility. In the absence of such a response, the questions will only grow more insistent: how did the alleged diversion occur under the authority’s watch, why did detection take so long, and what concrete changes have been, or will be, made to ensure that public grants flowing into highway projects cannot again travel the same alleged path without immediate detection?

Public money deserves better than prolonged silence.