Customer Story
99.99% Accuracy, Zero Hassle: Rubamin's GST Compliance Transformation with Sovos India
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Overview
Rubamin Private Limited has been a market leader in Molybdenum and Zinc Chemicals for the past three decades. Located in Gujarat, India, Rubamin is a trusted name when it comes to manufacturing and supplying high-quality Molybdenum, Zinc, Tungsten, Vanadium, Cobalt and Nickel based chemicals; all manufactured under certified process controls for advanced applications.
The company has 4 treatment facilities that are all 100% compliant with the applicable environment and product regulations with regard to spent catalyst recycling and galvanizing Zinc waste. They are known for their responsible recycling all over the world and have transformed hazardous industrial waste into useful products.
Rubamin Limited needed a comprehensive GST solution capable of meeting their extensive compliance obligations and supporting functionalities such as e-invoicing and e-way bill generation. They have associated with SOVOS India since 2017 and shortlisted as GSP.
The Challenge
SAP Integration for E-Invoicing: Having used SAP as their primary ERP system from inception, Rubamin required a complete solution that could seamlessly integrate with SAP for e-invoicing purposes. It was essential that the integration process be smooth and free from operational disruption.
IRN Generation Across Multiple Locations: One of the most significant challenges Rubamin faced was generating Invoice Reference Numbers (IRNs) across multiple plant locations operating under a single GSTIN. With teams spread across different sites, maintaining coordination, standardization, and consistency proved increasingly difficult.
This highlighted a critical need for a centralized solution that could ensure uniform accessibility, standardization, and operational efficiency across all locations.
E-Invoice vs. GSTR-1 Reconciliation: Invoice discrepancies were creating notable inefficiencies in the company’s financial processes. To address this, they sought a reliable reconciliation mechanism between e-Invoices and GSTR-1 filings, enabling accurate and timely reporting.
Vendor and Customer GSTIN Validation: Given the scale at which Rubamin engages with vendors and customers, validating each GSTIN on the GST portal before processing a purchase or sales order was a time-intensive and repetitive task. The volume of transactions made manual verification impractical and prone to delays.
IMS Action on Multiple Invoices: Managing large volumes of invoices requiring simultaneous review and action placed considerable strain on Rubamin’s teams. Manual handling of this scale created bottlenecks, reduced process visibility, increased turnaround times, and made it difficult to maintain consistent compliance accuracy.
GSTR-7 Return Filing: Filing GSTR-7 returns through the GST portal, whether through manual data entry or the offline utility tool, is a detailed and time-consuming process. For a company of Rubamin’s scale, this demanded significant time and close attention to ensure accuracy and completeness.
The Solution
In-House SAP Integration: With dedicated support from the Sovos India team, Rubamin successfully achieved a seamless SAP HANA integration. The direct collaboration between both teams eliminated the need for any third-party involvement, ensuring clear communication, faster resolution, and full ownership of the integration process from end to end.
Cloud-Based E-Invoicing Software Solution: Following the introduction of e-Invoicing mandates in October 2020, Sovos India swiftly deployed its E-Invoicing Solution, enabling Rubamin to efficiently generate bulk Invoice Reference Numbers (IRNs) across all e-invoices.
The platform consolidates GST filing, e-way bill generation, and e-Invoicing functionalities into a single, unified system, streamlining operations for teams across multiple sites. Since adopting Sovos India’s solution, Rubamin has been able to generate bulk e-way bills with ease, ensuring timely deliveries without operational disruptions.
E-Invoice and GSTR-1 Reconciliation: The Sovos India Indirect Tax Compliance Suite includes a dedicated reconciliation feature that automatically identifies discrepancies between e-Invoices and GSTR-1 filings, enabling the team to take timely corrective action.
Rubamin’s team noted that the solution consistently delivers a match accuracy of approximately 99.99%, effectively eliminating the need for manual intervention. GSTR-1 filing has become both error-free and significantly more efficient, allowing the team to file with complete confidence in the accuracy of every submission.
Vendor and Customer GSTIN Validation: Sovos India provided an integrated GSTIN search solution that allows Rubamin to verify the compliance status of vendors and customers directly through their ERP system. This eliminated the need for manual portal lookups, reducing turnaround time and improving the reliability of pre-transaction validation.
IMS Bulk Action: To address the challenge of managing large invoice volumes, Sovos India introduced a bulk action capability that allows Rubamin’s team to process multiple invoices simultaneously through a simple Excel upload. This significantly reduced manual effort and improved both process visibility and response times.
GSTR-7 Return Filing: Sovos India streamlined Rubamin’s GSTR-7 filing process by enabling direct data uploads in Excel format with the ability to save and submit to the GST portal. This approach has reduced manual errors, improved filing efficiency, and ensured timely and accurate tax submissions.
Smooth and Simplified Return Filing: Through Sovos India’s GST filing software, Rubamin now benefits from bulk upload and download capabilities, along with PAN-GSTIN data retrieval, all within a single platform. The result has been a marked reduction in manual effort, fewer errors, and considerable time savings.
The complexities previously associated with manual filing, error identification, and reconciliation matching have been largely eliminated, allowing the team to focus on higher-value tasks with greater confidence.
The Results
Since partnering with Sovos India, Rubamin has experienced a significant transformation in its GST compliance operations. Key outcomes include:
Near-Perfect Reconciliation Accuracy: The e-invoice and GSTR-1 reconciliation feature consistently delivers a match accuracy of approximately 99.99%. Manual intervention has been effectively eliminated, and the team now files with complete confidence in the correctness of every submission.
Error-Free and Hassle-Free GSTR-1 Filing: GSTR-1 filing has become a streamlined, reliable process. The effort previously spent identifying mismatches, correcting discrepancies, and manually reconciling data has been largely eliminated, freeing the team to focus on higher-value activities.
Operational Efficiency Across Multiple Locations: With a centralized platform managing e-Invoicing, e-way bills, and GST filing, teams across all plant locations now operate with uniform processes and consistent data, significantly reducing coordination challenges.
Faster Vendor and Customer Onboarding: GSTIN validation, once a time-consuming manual task, is now handled directly through the ERP system. This has accelerated pre-transaction checks and reduced delays in processing purchase and sales orders.
Significant Time and Effort Savings: Bulk upload and download capabilities, PAN-GSTIN data retrieval, and automated reconciliation have collectively reduced manual effort across the compliance function, resulting in considerable time savings and fewer human errors.
Round-the-Clock Support: Rubamin’s team has expressed strong satisfaction with Sovos India’s 24/7 support, which has ensured continuity, quick resolution of queries, and sustained confidence in the platform’s reliability.
Why Sovos India?
For a company of Rubamin’s scale and operational complexity, GST compliance demands more than just a software tool, it requires a dependable partner with the technical depth, regulatory expertise, and responsiveness to keep pace with an evolving compliance landscape. Sovos India brought all of this to the table. From seamless SAP HANA integration and a comprehensive all-in-one platform to proactive support during the rollout of e-invoicing mandates, Sovos India consistently demonstrated its ability to deliver solutions that were both technically sound and practically effective.
What has set Sovos India apart is the quality of the partnership itself. Since 2017, the relationship has been built on direct collaboration, consistent delivery, and a genuine understanding of Rubamin’s business needs. With round-the-clock support, near-perfect reconciliation accuracy, and a platform that continues to evolve alongside regulatory requirements, Rubamin has found in Sovos India not just a compliance solution, but a trusted long-term partner equipped to support their growth with confidence and reliability.