GSTR-1 Filing Services every outward supply, perfectly reported.
Monthly and quarterly GSTR-1 return filing in India — B2B, B2C, export, SEZ, and credit note reporting handled accurately so your buyers get full input tax credit on time.
GSTR-1 is the statement of outward supplies — every tax invoice, debit note, credit note, advance, and amended invoice issued during the tax period must be reported here. It is the single most important return for your customers because their GSTR-2B and ITC depend on it.
Errors in GSTR-1 — wrong GSTIN, incorrect place of supply, missing HSN codes, or mismatched values — directly affect your buyer's input tax credit and damage business relationships. A delayed GSTR-1 means your customer cannot claim ITC for that month.
NDS Advisors files GSTR-1 returns for businesses of every size — from small traders under QRMP to large enterprises with thousands of invoices. We validate every field, reconcile with books, and file before the due date, every month.
Our GSTR-1 Filing Services
Monthly GSTR-1
End-to-end monthly outward supply return filing for taxpayers above QRMP threshold.
Quarterly GSTR-1
Quarterly GSTR-1 filing for QRMP scheme taxpayers with turnover up to Rs. 5 crore.
IFF Upload
Monthly Invoice Furnishing Facility upload of B2B invoices for QRMP filers.
HSN Summary
Accurate HSN-wise summary preparation as per latest mandatory digit requirements.
Export & SEZ Invoices
Reporting of zero-rated supplies, LUT exports, and SEZ supplies with bond details.
Credit & Debit Notes
Filing of credit notes, debit notes, and refund vouchers with original invoice linkage.
GSTR-1 Amendments
Correction of previously reported invoices via Table 9A, 9B, and 9C of GSTR-1.
Nil GSTR-1 Filing
Timely Nil GSTR-1 filing via SMS or portal to avoid late fees in zero-sale months.
Our Approach
Invoice Collection
Sales register, e-invoices, and credit notes collected from accounting system.
Data Validation
Customer GSTIN, tax rate, HSN, and place of supply validated for accuracy.
Return Preparation
JSON file generated and uploaded to GSTN portal in correct format.
Filing & Submission
GSTR-1 filed with DSC or EVC and acknowledgement saved.
Buyer Communication
Any vendor mismatches flagged and corrected in next-month amendments.
Why It Matters
Frequently Asked Questions
GSTR-1 is a monthly or quarterly return that captures details of all outward supplies of goods and services made by a registered taxpayer.
GSTR-1 is due on the 11th of the next month for monthly filers and 13th of the month after the quarter for QRMP filers.
Yes, a Nil GSTR-1 must still be filed by every registered taxpayer to avoid late fees.
No, GSTR-1 cannot be revised but errors can be corrected in the next return through amendment tables.
IFF is the Invoice Furnishing Facility used by QRMP taxpayers to upload B2B invoices monthly for buyer ITC.
File GSTR-1 The Right Way?
Accurate, on-time GSTR-1 filing protects your buyers' ITC and your business reputation. Let our CAs handle every outward supply return for you.
File GSTR-1 With Experts or call +91 9819 000 511