Free Guide — Businesses & Startups
Complete GST Registration
Complete GST Registration
Guide for Businesses
Everything from threshold limits to first return filing — the only GST registration handbook you'll ever need.
What's Inside
GST Registration from Day Zero
Covers every question a new business, startup, or freelancer has about GST — including the ones your accountant hasn't answered yet.
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When GST Registration is Mandatory — Threshold limits by state (₹20L / ₹10L special category states), mandatory registration irrespective of turnover (e-commerce, interstate, import/export).
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Voluntary Registration Benefits — Why registering below threshold makes sense for startups, B2B sellers, and those wanting ITC claims.
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Documents Checklist — Complete list for proprietorships, partnerships, LLPs, and private companies. What the portal accepts vs rejects.
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Step-by-Step Application Process — Screenshots of GST portal, ARN generation, officer queries, physical verification, certificate download.
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Common Rejection Reasons — 9 most common reasons for rejection and exactly what to resubmit to get approved in 7 working days.
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Post-Registration Setup — Tax invoice format, HSN/SAC codes, GSTR-1 and GSTR-3B return filing schedule, e-way bill setup.
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Composition Scheme vs Regular — When the 1-6% flat tax scheme works better than regular, and what you give up with composition registration.
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E-Way Bill Setup After Registration — Generating e-way bills for goods movement above ₹50,000 — portal setup, transporter ID, Part B completion.
Threshold Limits
Who Must Register?
Annual Turnover Thresholds
| Category | Annual Turnover Threshold |
|---|---|
| Goods — General States | ₹40 Lakh |
| Services — All States | ₹20 Lakh |
| Special Category States (NE, Hills) | ₹10 Lakh |
| E-commerce Operators | Mandatory from Day 1 |
| Interstate Supply | Mandatory from Day 1 |
| Casual / Non-resident Taxable Person | Mandatory from Day 1 |
Who Is This For
Perfect for These Business Types
New Businesses
Just registered or starting up
Startups
Pre-revenue to Series A
Freelancers
Crossing ₹20L service threshold
E-commerce Sellers
Amazon, Flipkart, Meesho, own store
Reviews
What Business Owners Say
★★★★★
"I tried GST registration twice on my own and got rejected both times. TaxClue's guide explained exactly why — my electricity bill wasn't matching the address. Third attempt, approved in 4 days."
★★★★★
"The composition vs regular scheme comparison saved my restaurant from a terrible decision. At ₹80L turnover, regular was way better because of input tax credit on kitchen equipment."
Related Tools
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Complete GST
Registration Guide
Registration Guide
For Businesses & Startups | 36 Pages
Thresholds
Docs List
Process
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Disclaimer: This tool gives indicative results for general guidance only and is not professional advice. Please verify with a qualified CA before acting on the numbers.