Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Get GSTR-1 & GSTR-3B Monthly Filing done right in Sembium without portal struggles or missed deadlines. Our Chennai-based consultants manage the entire process from Rs.749, with same-day responses and every submission checked by a senior practitioner before it is filed.
We serve businesses on and around Moolakadai Flyover — document pickup, in-person consultation at our Porur office, or fully online over WhatsApp.
Share your number — a senior GST consultant calls you back within 30 minutes.
Sembium straddles Paper Mills Road, Madhavaram High Road and Erukkancheri High Road, feeding the Perambur Carriage Works with fabrication shops, rubber and hosiery units, hardware and timber dealers. Bunder Garden Main Street, Melpatti Ponappa Street and Market Street hold provision wholesalers, sweet stalls and lorry booking agents, and the Carriage Works Road sheds house body builders. Transporters issuing consignment notes, reverse charge on freight and e-way bill expiry on Moolakadai bound loads are the standing pain points. Against that backdrop, GSTR-1 & GSTR-3B Monthly Filing in Sembium demands more than data entry — it needs reconciliation before filing, correct classification and awareness of what local officers examine. Our Chennai team provides exactly that to clients in Sembium, Perambur and Agaram, with same-day responses on working days and WhatsApp updates at every stage. Most routine engagements complete within one to two working days once documents are in hand.
Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.
A new GSTIN comes with obligations nobody explains at approval — the invoice series rules, displaying the registration certificate and GSTIN at your premises, and the first return cycle. We walk new registrants in Sembium through each of these so month one starts correctly.
GSTR-3B late fees run at Rs.50 per day and interest at 18 percent per annum on unpaid tax. Our internal cut-offs sit days ahead of statutory due dates precisely so that our clients never hand the department a rupee they did not owe.
You are told the full fee before we begin, in writing. No surprise additions for uploads, revisions or acknowledgements. Government fees and taxes, where applicable, are shown separately, so businesses in Sembium always know exactly what the engagement costs them.
You receive a WhatsApp message when documents are received, when the draft is ready for your approval, and when the return or application is filed, along with the acknowledgement. You never have to call and ask what is happening with your file.
If your GSTR-1 and GSTR-3B start drifting apart, if a large supplier stops filing, or if your turnover approaches the e-invoice threshold, we flag it to you immediately. Early warnings from our side are cheaper than departmental letters later.
Tally, Zoho Books, Busy, marketplace reports, plain Excel or even a handwritten bill book — we take your data in whatever form your Sembium business already maintains it. You are never forced to buy new software or retrain staff just to become our client.
At month end we remind you and collect sales invoices, purchase bills and credit notes in whatever format you maintain, including Excel, Tally exports or scanned copies.
We prepare invoice-wise outward supply details, validate GSTINs of your B2B customers, summarise B2C supplies and file GSTR-1 on the portal before the 11th.
We download your auto-drafted GSTR-2B, match it against purchase records, and claim only eligible input tax credit so that mismatches do not trigger scrutiny notices later.
We compute net tax payable after ITC set-off, share the working with you for approval, and generate the payment challan for any cash liability.
After your confirmation and tax payment, we file GSTR-3B before the 20th and send you both filed acknowledgements along with a one-page summary of the month.
Send these on WhatsApp (+91 - 9600 606 444) and we take it forward the same day.
Timeline: Filed before the 11th and 20th of every month · No hidden charges · GST invoice provided
Rs.7,999/year
Practical outcomes our clients measure us by.
When a business winds up, proper cancellation and a timely final return ensure the file is genuinely closed, so no demand or late-fee computation resurfaces against you long after the shutters came down.
Rates, reverse charge, place of supply and blocked credits are applied correctly at the preparation stage, so you neither overpay tax you do not owe nor underpay and invite demands with penalty later.
Your scheme choice — regular, composition or QRMP — is re-examined as turnover and margins change, so you are always paying under the structure that legitimately costs your business the least.
E-commerce platforms continuously validate seller GSTINs and filing status. A consistently compliant registration keeps your listings active and settlements flowing, with no sudden suspension of your online sales channel.
New branches, new product lines and interstate sales all carry GST consequences. With standing professional support, you expand knowing registrations, invoicing and returns will keep pace with the business.
Sales returns, discounts and price revisions are adjusted through properly reported credit notes within the statutory window, so you never keep paying tax on turnover you have already reversed.
| Aspect | With ChennaiGST | DIY / Unattended |
|---|---|---|
| Late fees and interest | Filings go in ahead of statutory dates, so the Rs.50-per-day late fee and 18 percent interest never arise. | Late fees accumulate silently every delayed day, and interest on unpaid tax runs at 18 percent per annum. |
| Due-date tracking | A maintained compliance calendar with internal cut-offs days before the 11th and the 20th; we chase you for data, not the other way around. | Deadlines remembered from memory or phone alarms; one busy week and the return slips past the due date. |
| Portal credentials and data | Logins handled by a small engaged team under strict confidentiality, with credentials stored securely and never passed onward. | Passwords circulating on chats with freelancers and part-timers, and no accountability for who has accessed your business data. |
| Supplier defaults | Suppliers who stop uploading invoices are identified within the period and pursued before their default becomes your blocked credit. | Missing supplier invoices surface only when credit is denied, by which time recovering the amount from the vendor is difficult. |
| Keeping up with changes | Rate changes, portal updates and new thresholds such as the Rs.5 crore e-invoice limit are tracked by us and applied to your case proactively. | Changes are discovered after the fact — often through a rejected filing, a blocked e-way bill or a departmental letter. |
| Registration and amendments | Query-resistant applications prepared correctly the first time, with supporting documents matched to what proper officers actually verify. | Repeated clarification memos and resubmissions, with weeks lost because a rent agreement or premises photograph did not meet expectations. |
We track every notification, circular and judgment that changes a filing position, so your returns and replies reflect the current law.
23rd GST Council Meeting, Guwahati — 10 November 2017 (PIB Release ID 1509013) · 2017-11-10
The Council decided that all taxpayers would file GSTR-3B with payment of tax by the 20th of the succeeding month until March 2018, and that for GSTR-1 taxpayers would be divided by turnover. Those with annual aggregate turnover up to Rs 1.5 crore would file GSTR-1 quarterly, and those above that figure monthly, with a detailed table of due dates. Filing of GSTR-1 was to continue without requiring GSTR-2 and GSTR-3 for the previous period.
What it means for you: The turnover-based split between monthly and quarterly GSTR-1 that still determines a Chennai business's filing calendar was created here.
Notification No. 11/2017-Central Tax (Rate) dated 28.06.2017 · 2017-06-28
This is the parent notification that fixes the CGST rate for services. It runs as a long table arranged by service accounting code, from construction and works contract under heading 9954, through accommodation, restaurant and transport services, to the residual entry that taxes any service not specifically listed. Many entries carry conditions, most commonly a lower rate available only if input tax credit is not taken. Every later services rate change since 2017 has been an amendment to this notification.
What it means for you: Whenever you are asked what rate applies to a service you supply in Chennai, the answer starts and ends with the current amended text of Notification 11/2017.
CBIC v. Aberdare Technologies (P) Ltd — Supreme Court, 2025 (SLP against Bombay HC order dated 29-07-2024 dismissed) · 2025-03-21
The Bombay High Court permitted Aberdare Technologies to correct bona fide clerical errors in its GST returns beyond the statutory deadline where there was no loss of revenue. Dismissing the department's SLP, the Supreme Court observed that human errors are normal, denying correction unjustifiably burdens taxpayers and benefits the department at their cost, and asked CBIC to re-examine the rigid timelines for rectifying returns since software limitations cannot defeat substantive rights.
What to do about it: If a genuine clerical mistake in GSTR-1 or GSTR-3B is blocking your customer's ITC or inflating your liability, courts now support rectification even beyond the deadline where revenue is not prejudiced.
References are provided for general information. Verify the current position on gst.gov.in or cbic.gov.in before acting.
Straight answers from practising GST consultants — based on the CGST Act, current CBIC notifications and day-to-day portal experience.
Mon-Sat: 9.00 AM - 8.00 PM · Sunday: WhatsApp support only
Chennai