Add-on solution to SAP ERP for compliance requirements under GST for Business Enterprises

IVL’s OptiGST solution for Goods & Services Tax is an Add-on solution for SAP ERP. It provides solution to Business Enterprises for compliance requirements under GST regime in India. It shares the same environment as that of SAP ERP. This makes it easy to implement downstream functionality by minimal implementation effort.

Suitable for

Business Enterprise



  • Helps in GST Returns preparation
  • Registers for tracking GST relevant data
  • Reconciliation Features
  • GSP Integration for e-filing

Base Scope Highlights

GST Returns
  • GSTR1    – Outward supplies made by taxpayer
  • GSTR3B   – Consolidated Monthly Return
  • GSTR2    – Inward supplies received by a taxpayer
  • GSTR3   – Monthly return
  • GSTR6   – Return for input service distributor


  • Sales Register
  • Purchase Register
  • Stock Transfer
  • FI Register

ISD (Input Service Distributor)

  • Challan Creation, Maintain & Display
  • GSTR6 return filing

Vendor Reconciliation – Reconciliation of Vendor Invoices with purchase register – GSTR2A
Customer Reconciliation – Reconciliation of customer invoices with sales register – GSTR1A
Roadmap items

  • GSTR7 – Return for tax deducted at source
  • GSTR9 – Annual Return
  • Refund Form required by
  • Exporting customers / Deemed Export
  • Accumulated ITC Refund
  • GST RFD-01 – Refund forms for refund claims with center & state
  • Annexure 1 Details of Goods

Process FLow

Seamless integration across SAP process

OptiGST is an add-on product which is deployed on the same server as that of SAP ERP.

OptiGST has a loosely coupled architecture that provides customers with 3 deployment options as per their landscape.
REGULAR Deployment – Suitable for Single Instance SAP ERP Customers.
EMBEDDED Deployment – Suitable for customers having multiple Instance SAP & Non-SAP ERP Environment with one of the SAP ERP instance acting as a HUB.
HUB Deployment – Suitable for customers having huge volumes of data, multiple Instance SAP & Non-SAP ERP Environment with a standalone NetWeaver (with ECC) system acting as a HUB.


  • On-Premise, SAP Add-On
  • No additional hardware, No cloud subscription, No technology upgrade
  • No additional cost for DB Administration
  • No conflict with SAP or custom objects (separate namespace)
  • Flexible architecture
  • Extensive configuration options, easy to maintain
  • Possible to handle combined GST Returns filing – covering multiple SAP/ERP instances if such consolidation is needed (Single GSTN Regn.)
  • Can adapt to multiple GSPs who are conforming to GSTN guidelines
  • Handles GSTN data-size restrictions in terms of volume of data per cycle
  • Pre-configured & Pre-validated for some of the GSPs
  • Accelerator to save implementation time
  • Best practices on Custom-Enhancements
  • Facilitates smooth upgrades and management of customizations
  • Security
  • Authorization
  • Data Encryption, Encoding
  • Possible to do end-to-end GST activities from within SAP ERP
  • No need for interfaces / download / upload (for single instance model)
  • Automated Data extraction based on configurable parameters (background jobs)
  • Incompletion logs after extraction
  • Manual controls / verification in SAP before filing Returns
  • Access to GSTN from SAP ERP itself (GSP Integration)
  • Secure GSTN login credentials/sessions using OTP
  • SAVE, SUBMIT and FILE GSTR1 Returns in GST Network  (FILE requires digital signature)
  • Fetch GSTR data from GST Network
  • Quick in processing of GST Returns from SAP into GSTN
  • Reconciliation
  • ISD, Refunds
  • No need to log in to any other system or portal
  • Configurable identifiers for mapping SAP identifiers into GSTN parameters
  • Customer tax classification, material tax indicator, document types, tax codes, ISD ratios
  • State Code, Unit of Measure, Reason for Debit/Credit Note
  • Compliance status dashboard/report
  • Internal Audit report comparing GSTR 1 and GSTR 2 with G/L
  • Training
  • User manuals & Configuration guide
  • Self-Service Tools for trouble-shooting
  • Dedicated Product team to handle statutory changes, if any, by GSTN / Govt.
  • Proven support model under AMC

Value Added Features

OptiGST Solution also has value added features which are packaged separately and compliment overall solution.

Data Consolidation

  • Suitable for multi instance ERP customers
  • Consolidates data from multiple ERPs before filing

Vendor Reconciliation

  • Required for GSTR2 filing
  • Generates lists of mismatch invoices
  • Identifies defaulting vendors

Report Extension

  • Reconciliation features with G/L Accounts in FI Module

Edit Feature

  • Utility to Edit GST Returns data