How to File GSTR1?

Hey Rishab,

Hope you have Registered and Have your own Portal Login ID & Password.

Filing GSTR-1 is Easy, Just follow these steps:

• Go to gst.gov.in
• Login to your account
• Click Return Dashboard
• Select the Return Filing Period (If you haven't started yet, You need to Start from July) and Click Search
• Then Click GSTR-1 - Details of outward supplies of goods or services, Prepare Online
• Then you need to start Entering your Invoices or Bills (There will be a number of Boxes Available in the Page, you have to enter the Invoices as per their Kind, For example: If the Receiver (Your Client or the One who buys your products or Services) has a GST Number, you can enter those invoices in the First Box), You can Hover over each box to find out what it's about)
• Click the Desired Box and Click Add Details
• Enter the GST Number and Click Tab (The Name of the Receiver appears automatically, check whether It is correct)
• Then Enter your Invoice Number
• Date of Invoice
• Total Invoice Amount (Including GST & Everthing)
• Go to the Correct GST Percentage (According to the Goods or Services you Sell) and Add in the Taxable Value (Amount before adding GST)
• GST Amount appears automatically, check and confirm (Or Correct if Minor Changes)
• Click Save
• Once all the Invoices are done, Click Generate GSTR-1 Summary
• Wait and Reload
• Then Tick the Acknowlegment
• Click Submit (Note: You cannot Edit once you submit, So Re-check)
• Once it's Submitted, Click File Return (File with Digital Signature or OTP on your registered Mobile Number)
• That's It, you will get a Confirmation Message and Mail.

You're finally Done. GSTR is a bit confusing, but you'll get used to it. 

Have Fun

Best Regards, DeDen