Quick Answer
GSTR 1 is a mandatory monthly return document for registered persons under the GST Act, detailing all outward supplies of goods and services. Taxpayers with an annual turnover exceeding Rs. 1.5 crore must file this form monthly on the GST portal to report complete business transaction details.

GSTR 1 is a form base document that lists the transaction of supply of goods by the business or traders. And, If GSTR 1 is a monthly return that summarises all sales (outward supplier) of all taxpayer. GSTR 1 has to file by every registered person.
GSTR 1 is a monthly return for all outward suppliers. It shows all business transaction for the supplier, who have registered under the GST act.
It contains all the details about the supplier, and it has to file by every registered person on the monthly bases.
GSTR 3B is based on Monthly Return, All regular taxpayers need to file this return till March 2019. It is a simple tax return, introduced by a central board of excise and customs.
Every registered person has to file GSTR 1. And, The return is filed on the GST portal/GSTIN. however, there are certain dealers who are not required to file GSTR 1.
These dealers are input service distributors, E-commerce operator, non-resident dealers, TDS deductor, TCS collector.
Register taxpayer with an annual turnover exceeding Rs.1.5 crore has to file GSTR 1 on every month. They(taxpayer) has to furnish complete detail of their outward supplier in the form.
No matters you are a trader or a manufacturer, you have to file returns mandatorily. Here, are followed in the below steps
step-1: Firstly, log in to the GST portal https://www.gst.gov.in/
step-2: And, Enter the details of the registered person in the GST portal.
step-3: Then, click on the return dashboard.

step-4: After clicking on return dashboard this will take you to the file return page, after entering into that page select the financial year and the month period for which you want to file the return.
step-5: Then, click on the search button.

step-6: click on the outward supplies made by the taxpayer, it has two option to prepare online and offline. click on prepare online this will take you to the outward supplies of goods and service.


step-7: you need to fill the following details, followed here


Above is the summary of all tables, Where you have to fill the details of the outward supplies.
step-8: click on 4A, 4B, 4C, 6B, 6C- B2b invoices
All B2b invoice detail has to enter inside the title, Click on add invoices.


step-9: click save, details are entered.
step-10: Therefore, you will be redirected to a page, where you can (edit/delete) invoices.

step-11: Click on the back button, to go back to the return page. It will reflect the number of invoices added along with the Total invoice value, Total Taxable value, and Total Tax Liability.

step-12: Follow, the same procedure for further table and invoice, as followed in the above step.
The final step, the detail has entered, it needs a declaration and submitted online.

In case of any help or assistance in filing your GSTR 1 in Chennai, GSTR 1 in Mumbai, GSTR 1 in Bangalore contact Virtual auditor support team on 9962 230 333/9513 93 9333/044- 48560333 /mail us support@virtualauditor.in, our team will guide through the entire process and help you comply
GSTR 1 is a monthly return form used by registered taxpayers to summarize all outward supplies of goods and services. Every registered person under the GST Act is required to file this document on the GST portal, except for specific dealers like input service distributors and e-commerce operators.
Registered taxpayers whose annual turnover exceeds Rs. 1.5 crore are mandated to file GSTR 1 on a monthly basis. They are required to furnish complete details of their outward supplies, including invoices and tax liability, through the official GST portal as part of their compliance process.
Certain categories of dealers are not required to file GSTR 1. These exemptions apply to input service distributors, e-commerce operators, non-resident dealers, TDS deductors, and TCS collectors. All other registered persons must mandatorily file this return to report their business transactions and outward supplies.
Taxpayers must provide details including their name, address, GSTIN, PAN, and bank information. The return also requires specific transaction data, such as B2B invoices, B2C invoices, export invoices, credit and debit notes, HSN-wise summaries of outward supplies, and a declaration of documents issued by the business.
Yes, GSTR 1 must be filed online through the official GST portal at https://www.gst.gov.in. The procedure involves logging into the return dashboard, selecting the financial year and month, and then choosing to prepare the outward supply details either online or offline before submitting the declaration.