Getting started
Login → add your business → start filing. Under two minutes, start to finish.
Downloading your reports
Where to find the GST report on each marketplace before you upload it to apriltax.
Seller Central → Tax Document Library → GST Monthly Report (MTR). › ? How do I download my GST report from Flipkart?
Seller Hub → Reports → Request Report → Tax Report. › ? How do I download my GST report from Meesho?
Seller Dashboard → Payments → Download → GST Report + Tax Invoice. ›
Reviewing your numbers
What the Review step shows, how to read each section, and how to dig into invoice-level detail.
Your sales totals, computed from the files you uploaded - check them before filing. › ? What do the section names in the detailed view mean?
B2B Invoices - 4A, B2C (Others) - 7, Credit/Debit Notes - 9B … decoded. › ? How do I open the detailed view - and see invoice-level rows?
One click from Review; every populated section expands to its underlying rows. › ? How do I review and fix HSN codes?
The Review HSN Code button - suggestions, product-name search, and Save. ›
Validation checks
30 automated checks run on your return before you file - what they are, and how to fix the ones that fail.
All 30 checks, grouped - HSN, tax arithmetic, documents, e-commerce, reconciliation. › ? A validation check failed - what happens now?
Critical vs advisory findings, and the fix → re-run loop. › ? Why am I asked to set my turnover slab?
The ₹5 Cr slab decides your HSN rules - filing can't proceed without it. › ? A check says my HSN code is "not in the GST master list" - how do I fix it?
The portal rejects unknown HSN codes - correct them in the Review HSN modal. › ? Table 12 doesn't match my sales totals - what do I do?
HSN summary vs Tables 4-11 mismatch - usually fixed by regenerating. › ? A marketplace row shows negative sales or the wrong tax sign - is that a problem?
Negative net supply is usually fine; an opposite-sign tax needs a fix. › ? A check flags "gaps in my invoice series" - should I worry?
Usually cancelled or unused numbers - advisory only, filing isn't blocked. › ? "HSN code must be present on every B2B invoice line" - how do I fix it?
B2B lines always need an HSN of at least 4 digits - fill them in the HSN review table. › ? My turnover is over ₹5 Cr - what extra HSN checks apply?
6-digit codes everywhere, B2C included, and both HSN sections in the JSON. › ? "TCS statement differs from uploaded sales" - what do I do?
The portal's TCS statement and your files disagree - review it in the TCS Match step. › ? "TCS statement operators appear in Table 14" flagged an operator - why?
An operator on your TCS statement is missing from Table 14, or listed under the wrong GSTIN. › ? "GSTIN format invalid" - my own, or a buyer's. How do I fix each?
A GSTIN that isn't 15 valid characters gets rejected at the portal - here's both fixes. › ? Other validation flags, decoded - quick reference
The occasional checks: cancellation rate, GST over 40%, duplicate operators, POS mismatch. ›
Uploading your data
What to upload for each marketplace - and how to bring in sales from Snapdeal, Myntra, Jio or your own website.
The complete set per platform - a missing file skews the filing. › ? I sell on Snapdeal, Myntra, Jio or my own website - how do I upload those sales?
Convert the platform's report into AprilTax's Other Platforms sheets - B2C and B2B. › ? How do I fill the Other Platforms B2C sheet?
One row per sale: State, Rate, Taxable Value - plus optional HSN, invoice number, quantity. › ? How do I fill the Other Platforms B2B sheet?
One row per B2B invoice line - and a second sheet for credit/debit notes. › ? Can AI convert my Snapdeal / Myntra / Jio report for me?
Yes - paste this prompt into ChatGPT or Claude with your report attached. › ? AI prompt: convert a Snapdeal report into the AprilTax B2C sheet
The exact prompt we use for Snapdeal sellers - copy, paste, upload. ›
TCS Matching
Reconcile your sales against the GST portal's TCS statement - platform by platform, state by state - and rectify the gaps.
Your files vs what marketplaces reported to the government. Mismatches cost money. › ? How do I download the TCS statement from the GST portal?
gst.gov.in → Returns Dashboard → TDS and TCS credit received → download Excel. › ? How do I run TCS matching, step by step?
Upload the portal statement at Step 3 and read the platform × state table. › ? How do I fix a TCS mismatch? (Rectify, with examples)
Two cases - a state missing from your files, and a value mismatch - fixed in two clicks. ›
GST filing basics
Monthly vs quarterly vs yearly returns - which applies to you, the real due dates, and how to switch frequency on the GST portal.
GSTR-1 and GSTR-3B are yours; GSTR-8 is the marketplace's; GSTR-9 is the annual wrap-up. › ? Monthly or quarterly filing - which one applies to me?
Turnover up to ₹5 Cr can choose quarterly (QRMP); above ₹5 Cr monthly is mandatory. › ? What are the GST return due dates?
GSTR-1 by the 11th (monthly) or 13th (quarterly); GSTR-3B by the 20th / 22nd / 24th. › ? How do I change my filing frequency (monthly ↔ quarterly) on the GST portal?
Services → Returns → Opt-in for Quarterly Return - within the opt-in window. › ? Do I need GST registration to sell online?
On TCS marketplaces like Amazon, Flipkart and Meesho - effectively yes, for goods. › ? What do I need ready before filing GST?
GSTIN, marketplace reports, purchase records - the pre-filing checklist. › ? GST filing FAQ - quick answers for online sellers
One-line answers to the questions sellers search for most. ›
A real apriltax team member, not a bot.