What is GST Sentinel?
iAcuity GSTSentinel is a game-changing investigative powerhouse crafted for the Directorate General of GST Intelligence (DGGI) and State GST Investigation Officers. It transforms the way authorities detect, combat, and eliminate GST fraud and tax evasion, arming investigators with unparalleled tools to expose non-compliance and dismantle fraudulent networks.
Powered by advanced analytics, GSTSentinel dives deep into complex GST returns, invoices, and financial data, uncovering hidden anomalies and exposing deceptive practices that evade detection. It enables investigators to see through the noise, identify patterns of tax evasion, and pinpoint suspicious activity with laser precision.
With GSTSentinel, investigative capabilities are not just enhanced—they are redefined. The tool delivers actionable insights in record time, empowering authorities to uncover fraud, ensure compliance, and recover lost revenue with unprecedented efficiency.
iAcuity GSTSentinel is more than a tool—it’s a revolutionary force that turns complex data into clear victories, putting investigators miles ahead in the fight against GST fraud. Tax evaders beware: the future of GST enforcement is here.
What We Do
GST Sentinel supports investigators by:

GST Fraud Scrutiny
Detect fraud and tax evasion from GST returns, Bank Statements and Bank Book Ledger.

Compliance Monitoring
Identify and flag inconsistencies between reported GST turnovers and bank transactions.

Investment Identification
Identify and flag inconsistencies between raTrace high-value or unusual financial transactions to identify potentially hidden or recoverable investments.eported GST turnovers and bank transactions.
Data We Analyse:

GST Returns
Identify movement of money between Companies, Spot false ITC claims and discrepancies with real transactions.

Bank Statements
Identify round-tripping, shell companies, and suppressed sales.

Company Bank Books
Uncover bogus suppliers, fake invoices, and hidden income.
Key Use Cases
Uncovering Fake Invoices
Detect discrepancies between GST returns and actual financial transactions to identify inflated or fabricated invoices aimed at claiming fraudulent input tax credits.
Identifying Bogus Suppliers
Expose transactions with non-existent or fraudulent suppliers who are used to claim illegitimate GST credits.
Tracing Round-Tripping Transactions
Monitor for repetitive transfers between accounts, a common tactic used to falsely inflate revenue and recycle money to evade GST.
Detecting Suppressed Sales
Compare sales figures reported in GST returns with actual deposits in bank accounts to uncover attempts to underreport income and evade GST
Comprehensive Fraud Detection
Advanced Tax Evasion Analysis
Analysing Underreported Income
Identify mismatches between income reported in GST returns and actual cash flow in bank accounts to detect underreporting.
Unpaid Purchase Detection
Cross-reference reported purchase in GST returns with actual payments to identify purchases due for over 180 days.
Monitoring GST Evasion Techniques
Techniques: Detect suppressed sales and other evasion tactics that reduce GST liability unlawfully.
Identifying Tax Sheltering Practices
Uncover unusual transactions that suggest income is being hidden or sheltered to avoid GST