By CA Ramesh Kumar
Third Eyed Consulting Services
Starting a new business is exciting, but navigating India’s compliance landscape can quickly become overwhelming. For many founders, one of the first major hurdles is understanding whether they need a Goods and Services Tax (GST) number, and how to get it without facing departmental rejections.
[Key Takeaways Box]
- Mandatory Registration: If your turnover crosses ₹20 Lakh (services) or ₹40 Lakh (goods), you must register.
- Inter-state Sales: Selling outside your home state (e.g., Haryana) requires mandatory GST registration, regardless of your turnover.
- Verification: Aadhaar authentication is now strictly enforced to prevent bogus registrations.
1. When is GST Registration Mandatory?
The government sets specific financial thresholds to determine when a business must start collecting and paying GST. However, these limits differ based on what you sell and where you operate.
Threshold Limits for 2026
| Business Type | General Category States (e.g., Haryana) | Special Category States |
| Service Providers | ₹20 Lakhs | ₹10 Lakhs |
| Goods Suppliers | ₹40 Lakhs | ₹20 Lakhs |
The “Zero-Threshold” Exceptions
Even if your turnover is ₹0, you must register for GST immediately if you fall into these categories:
- You make inter-state taxable supplies (selling goods to another state).
- You are an e-commerce seller (selling on platforms like Amazon, Flipkart).
- You are required to pay tax under the Reverse Charge Mechanism (RCM).
Overwhelmed by the paperwork? Let the experts at Third Eyed Consulting Services handle your GST registration from start to finish. [Contact us today]
2. The Step-by-Step Registration Process
Filing for GST is done entirely online via the GST Portal, but precision is critical. A single mismatch in your documents will lead to a Show Cause Notice (SCN) before your number is even approved.
- Generate your TRN (Temporary Reference Number): Enter your PAN, email, and mobile number on the GST portal to verify your identity.
- Fill out Part-B of Form GST REG-01: This is the detailed application where you input your business name, principal place of business, and details of directors/proprietors.
- Upload Supporting Documents: Ensure all files are perfectly legible.
- Aadhaar Authentication: You must authenticate the application via an Aadhaar OTP. Skipping this step or failing the authentication can lead to mandatory physical verification of your premises.
- ARN Generation: Once submitted, you receive an Application Reference Number (ARN) to track your status.
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💡 Operating out of a rented office or a family home? The GST department strictly scrutinizes address proofs. Ensure your Rent Agreement is notarized and matches the exact address on your electricity bill. If using a family property, you must include a signed No Objection Certificate (NOC) from the legal owner.
3. Common Pitfalls That Get Applications Rejected
Many startups try to handle their own registration to save costs, only to get stuck in a loop of departmental queries. Here is what usually goes wrong:
- Trade Name vs. Legal Name Confusion: Your legal name must match your PAN card exactly. The trade name is your brand name. Mixing these up is an instant rejection.
- Blurry Document Uploads: The portal compresses images. If the assessing officer cannot clearly read the property owner’s name on the electricity bill, they will ask for clarification.
- Incorrect HSN/SAC Codes: Selecting the wrong codes for the goods or services you intend to sell can cause compliance nightmares down the line.
4. Keep Your Business Compliant
Getting your GSTIN is just the beginning. Once registered, you must file monthly or quarterly returns (GSTR-1, GSTR-3B) and reconcile your Input Tax Credit (ITC) meticulously. Missing these filings results in heavy late fees and the potential freezing of your bank accounts.
At Third Eyed Consulting Services, we do more than just register your business. We build a compliant foundation for your startup to grow safely. Whether you need end-to-end GST management, MCA filings, or tax advisory, we are here to ensure your business remains fundamentally secure.