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