GST Filing: A Complete Guide for Beginners
The Goods and Services Tax (GST) transformed India's tax landscape in 2017. For aspiring accountants, understanding GST filing is not optional — it's essential. This guide breaks down everything you need to know.
What is GST?
GST is a comprehensive, multi-stage, destination-based tax levied on every value addition. It replaced multiple indirect taxes like VAT, Service Tax, and Excise Duty, creating a unified tax structure across India.
Types of GST
| Type | Full Form | Applicable When |
|---|---|---|
| CGST | Central GST | Intra-state supply |
| SGST | State GST | Intra-state supply |
| IGST | Integrated GST | Inter-state supply |
| UTGST | Union Territory GST | Supply in UTs |
Key GST Returns
GSTR-1 — Outward Supplies
Filed monthly or quarterly. Contains details of all sales made during the period.
GSTR-3B — Summary Return
A monthly summary return that consolidates all outward supplies, input tax credit claimed, and tax payable.
GSTR-9 — Annual Return
Annual consolidation of all monthly/quarterly returns filed during the financial year.
Step-by-Step Filing Process
- Login to the GST portal (gst.gov.in)
- Navigate to Returns Dashboard
- Select the return type and period
- Fill in the required details
- Validate using DSC or EVC
- Submit and pay any tax liability
Common Mistakes to Avoid
- Mismatch between GSTR-1 and GSTR-3B
- Claiming ineligible Input Tax Credit
- Missing the filing deadline (20th of every month for GSTR-3B)
- Incorrect HSN/SAC codes
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