GSTR-1 (GST Return Filing)

GSTR-1 (GST Return Filing)

GSTR-1 is a monthly or quarterly return that registered taxpayers under India’s Goods and Services Tax (GST) regime must file. It comprehensively details all outward supplies of goods and services made by a taxpayer during a tax period. In essence, it serves as a declaration of sales transactions and is crucial for the accurate calculation and remittance of GST liability.

Context and Origin

The Goods and Services Tax (GST) was implemented in India on July 1, 2017, as a comprehensive indirect tax reform. It subsumed a multitude of central and state indirect taxes into a single tax system. The GST framework introduced a digital return filing system, requiring businesses to submit various returns periodically to the tax authorities. GSTR-1 is one of the foundational returns within this system, specifically addressing outward supplies, which form the basis for Input Tax Credit (ITC) claims by the recipient of the goods or services.

Detailed Explanation of GSTR-1

GSTR-1 is a detailed statement of outward supplies made by a taxable person. It requires businesses to report information regarding:

  • Taxable outward supplies (other than zero-rated, nil-rated and exempted): This includes all supplies of taxable goods and services on which GST is applicable and has been charged.
  • Zero-rated supplies: Exports of goods and services, and supplies to Special Economic Zones (SEZs).
  • Nil-rated supplies: Supplies of goods or services that attract a GST rate of nil.
  • Exempted supplies: Supplies of goods or services that are specifically exempted from GST by notification.
  • Inter-state supplies: Supplies made to customers in other states.
  • Intra-state supplies: Supplies made to customers within the same state.
  • Consolidated details of amendments: Any corrections or modifications to previously filed GSTR-1 returns.
  • HSN/SAC summary: A summary of the Harmonized System of Nomenclature (HSN) codes for goods and Services Accounting Codes (SAC) for services supplied.

The filing frequency for GSTR-1 is typically monthly for taxpayers whose aggregate annual turnover exceeds ₹5 crore in the preceding financial year. However, taxpayers with an aggregate annual turnover up to ₹5 crore can opt for quarterly filing under the QRMP (Quarterly Return Monthly Payment) scheme, though they are still required to make monthly payments of tax.

The GSTR-1 return is filed electronically through the GST portal (www.gst.gov.in). It requires taxpayers to furnish details of their invoices, credit notes, debit notes, and other relevant documents issued to registered persons and unregistered persons. The data reported in GSTR-1 is auto-populated in the GSTR-2A and GSTR-2B of the recipient taxpayers, enabling them to claim Input Tax Credit (ITC).

Key sections within GSTR-1 include:

  • Table 4: Details of outward supplies of goods or services (including amendments thereof) made to registered persons: This is a crucial table where invoice-level details of B2B (Business-to-Business) transactions are reported. It includes details like invoice number, date, recipient’s GSTIN, taxable value, applicable tax rates, and tax amounts.
  • Table 5: Details of outward supplies of goods or services (including amendments thereof) made to unregistered persons: This table captures B2C (Business-to-Consumer) inter-state supplies and also consolidates intra-state B2C supplies where the invoice value exceeds ₹2.5 lakh.
  • Table 6: Zero-rated supplies and deemed exports (including amendments): This section details exports and supplies to SEZs.
  • Table 7: Nil-rated, exempted and non-GST supplies (including amendments): Information on supplies that do not attract GST.
  • Table 9: Summary of consolidated statement of advances received/paid and adjustments on account of advances: This deals with the tax implications of advance payments received or paid.
  • Table 11: HSN-wise summary of outward supplies: A consolidated summary of supplies categorized by HSN codes.

Why is it Important for Businesses to Know?

Understanding GSTR-1 filing is paramount for businesses for several critical reasons:

  • Compliance and Avoiding Penalties: Failure to file GSTR-1 on time or filing incorrect information can lead to significant penalties, interest, and late fees. This can impact a business’s financial health and reputation.
  • Enabling Input Tax Credit (ITC) for Customers: The data reported in GSTR-1 is used to generate GSTR-2A and GSTR-2B for the recipient businesses. Accurate reporting ensures that their customers can claim ITC, which is a fundamental principle of GST. If GSTR-1 is not filed correctly, customers may be denied ITC, leading to potential disputes and dissatisfaction.
  • Accurate GST Liability Calculation: GSTR-1 forms the basis for calculating the final GST liability. Errors in this return can lead to underpayment or overpayment of tax, both of which have financial and compliance implications.
  • Maintaining Business Relationships: Reliable and timely filing of GSTR-1 fosters trust and transparency with business partners. Consistent errors can damage these relationships.
  • Smooth Reconciliation: GSTR-1 filing is intrinsically linked with other GST returns like GSTR-3B. Correct GSTR-1 data is essential for accurate reconciliation with GSTR-3B, which is the summary return for tax payment.
  • Audit Preparedness: Tax authorities conduct audits, and accurate GSTR-1 records are crucial for demonstrating compliance during such assessments.

Common Applications or Use Cases for Businesses

GSTR-1 filing is an integral part of daily business operations for:

  • Sales and Billing Departments: These departments are responsible for generating invoices and ensuring that all outward supply details are captured accurately at the point of sale.
  • Accounting and Finance Departments: These teams manage the collation of sales data, preparation of the return, reconciliation, and ensuring timely submission.
  • Tax Compliance Teams: Dedicated tax professionals or departments oversee the entire GST compliance process, including GSTR-1.
  • Businesses involved in Export/Import: Specific reporting requirements for zero-rated supplies make GSTR-1 critical for these entities.
  • Businesses with significant B2B transactions: The emphasis on invoice-level detail for B2B supplies makes GSTR-1 a central document.

Related Terms or Concepts

  • GST (Goods and Services Tax): The overarching indirect tax system in India.
  • GSTIN (GST Identification Number): A unique identification number assigned to every taxpayer registered under GST.
  • Outward Supplies: Sales of goods or services made by a taxpayer.
  • Input Tax Credit (ITC): A credit for taxes paid on inputs used in the production or supply of goods or services.
  • GSTR-2A/GSTR-2B: Auto-populated returns that reflect the outward supplies filed by suppliers, enabling recipients to claim ITC.
  • GSTR-3B: A summary return that is filed monthly, consolidating tax liabilities and ITC claims.
  • HSN (Harmonized System of Nomenclature): An international standard for classifying traded products.
  • SAC (Services Accounting Code): Codes used to classify services for GST purposes.
  • QRMP Scheme (Quarterly Return Monthly Payment Scheme): An option for small taxpayers to file returns quarterly and make tax payments monthly.

Latest About the Concept

Recent developments and discussions around GSTR-1 often revolve around:

  • Amendments and Updates to the GST Portal: The GST Network (GSTN) regularly updates the portal with new features, functionalities, and changes to the return format based on government notifications.
  • E-invoicing: While GSTR-1 remains crucial, the mandatory implementation of e-invoicing for businesses above certain turnover thresholds has streamlined the data flow. E-invoices, once generated and validated by the Invoice Registration Portal (IRP), can be directly used to populate GSTR-1, reducing manual data entry and errors.
  • Data Analytics and AI in GST Compliance: The tax authorities are increasingly using data analytics to identify discrepancies and potential tax evasion. This makes accurate and timely filing of GSTR-1 even more critical.
  • Interoperability with other systems: Efforts are ongoing to ensure seamless integration of GST data with other government and private sector systems.

Which Business Departments Should Know More About This and Are Affected by This

A comprehensive understanding of GSTR-1 is vital for:

  • Finance and Accounting: This department is directly responsible for the preparation, filing, and reconciliation of GSTR-1. They need to understand the intricacies of reporting different types of supplies and tax implications.
  • Sales and Marketing: While not directly filing, sales teams need to ensure that all sales are recorded accurately, and appropriate tax information is captured on invoices, as this data feeds into GSTR-1.
  • Information Technology (IT): IT departments are crucial for implementing and maintaining the software and systems used for data collection, processing, and filing of GSTR-1, especially in the context of e-invoicing integration.
  • Tax and Compliance: This specialized department or individuals are the primary custodians of GST compliance, ensuring adherence to all regulations related to GSTR-1 and other returns.
  • Legal Department: May be involved in understanding the implications of non-compliance and potential legal challenges.

Future Trends

The future of GSTR-1 and GST return filing in India is likely to see the following trends:

  • Increased Automation and AI Integration: Further leveraging AI and machine learning for automated data validation, error detection, and even predictive filing.
  • Real-time Reporting: A potential shift towards more real-time reporting of transactions, moving away from monthly or quarterly filings for certain aspects.
  • Enhanced Data Analytics for Taxpayer Profiling: More sophisticated analytics to identify taxpayer behavior patterns, risks, and compliance levels.
  • Simplified Return Formats: Continuous efforts to simplify the return filing process for taxpayers, particularly for MSMEs.
  • Greater Interoperability: Seamless integration with other business management software and government platforms, reducing the need for manual data re-entry.
  • Focus on Data Accuracy and Integrity: With advancements in technology, the emphasis will continue to be on ensuring the accuracy and integrity of the data reported.
Updated: Oct 6, 2025

Saurav Wadhwa

Co-founder & CEO

Saurav Wadhwa is the Co-founder and CEO of MYND Integrated Solutions. Saurav spearheads the company’s strategic vision—identifying new market opportunities, unfolding product and service catalogues, and driving business expansion across multiple geographies and functions. Saurav brings expertise in business process enablement and is a seasoned expert with over two decades of experience establishing and scaling Shared Services, Process Transformation, and Automation.

Saurav’s leadership and strategy expertise are backed by extensive hands-on involvement in Finance and HR Automation, People and Business Management and Client Relationship Management. Over his career, he has played a pivotal role in accelerating the growth of more than 800 businesses across diverse industries, leveraging innovative automation solutions to streamline operations and reduce costs.

Before becoming CEO, Saurav spent nearly a decade at MYND focusing on finance and accounting outsourcing. His background includes proficiency in major ERP systems like SAP, Oracle, and Great Plains, and he has a proven track record of optimizing global finance operations for domestic and multinational corporations.

Under Saurav’s leadership, MYND Integrated Solutions maintains a forward-thinking culture—prioritizing continuous learning, fostering ethical practices, and embracing next-generation technologies such as RPA and AI-driven analytics. He is committed to strategic partnerships, long-term business development, and stakeholder transparency, ensuring that MYND remains at the forefront of the BPM industry.

A firm believer that “Leadership and Learning are indispensable to each other,” Saurav consistently seeks new ways to evolve MYND’s capabilities and empower clients with best-in-class business process solutions.

Vivek Misra

Founder & Group MD

Vivek is the founder of MYND Integrated Solutions. He is a successful entrepreneur with a strong background in Accounts and Finance. An alumnus of Modern School and Delhi University, Vivek has also undertaken prestigious courses on accountancy with Becker and Business 360 management course with Columbia Business School, US.

Vivek is currently the Founder & Group MD of MYND Integrated Solutions. With over 22 years of experience setting up shared service centres and serving leading companies in the Manufacturing, Services, Retail and Telecom industries, his strong industry focus and client relationships have quickly enabled MYND to build credibility with 500+ clients. MYND has developed a niche in Shared services in India’s Finance and Accounting (FAO) and Human Resources (HR). MYND has also taken Solutions and services to the international space, offering multi-country services on a single platform under his leadership. Vivek has been instrumental in fostering mutually beneficial partnerships with global service providers, immensely benefiting MYND.

Mynd also forayed into a niche Fintech space with the setup of the M1xchange under the auspices of the RBI licence granted to only 3 companies across India. The exchange is changing the traditional field of bill discounting by bringing the entire process online along with the participation of banks through online auctioning.

Sundeep Mohindru

Founder Director

Sundeep initiated Mynd with a small team of just five people in 2002 and has been instrumental in steering it to evolve into a knowledge management company. He has brought about substantial improvements in growth, profitability, and performance, which has helped Mynd achieve remarkable customer, employee and stakeholder satisfaction. He has been involved in creating specialized service delivery models suitable for diverse client needs and has always created a new benchmark for Mynd and its team. Under his leadership, Mynd has developed niche products and implemented them on an all India scale for superior services. Mynd has been servicing a large number of multinational companies in India through its on-shore and off-shore model.

TReDS (Trade Receivable Discounting System) has been nurtured from a concept stage by Sundeep and the Mynd team. M1xchange, Mynd Online National Exchange for Receivables was successfully launched on April 7th, 2017. While spearheading the project, Sundeep and his team have built up the TReDS platform to meet RBI guidelines and enhance the transparency for all stakeholders. This platform and related service has the capability of transforming the way the receivable finance and other supply chain finance solutions are operating currently.

Sundeep is currently focused on providing strategic direction to the company and is working towards achieving high growth for Mynd, which will help in creating the products as per customer needs and increase its top line while maintaining the bottom line. He directly involves, develops, nurtures and manages all key client relationships of Mynd. He has also successfully acquired numerous preferred partners to support Mynd’s technology-based endeavors and scale up its business.

Sundeep has been the on the Board of Directors for many renowned companies. He has played a key role in planning the entry strategy and has set up subsidiaries for many multinational companies in India. In his leadership, Mynd has seen consistent growth at the rate of 20+ % CAGR from the year 2009 onwards. This was primarily because of investing into technology and bringing platform based offering in Accounting and HR domain for the customers.