Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Professional GSTR-1 & GSTR-3B Monthly Filing for businesses in Ambattur, handled end to end by an experienced Chennai GST team. Transparent pricing from Rs.749, senior review on every filing, and updates on WhatsApp at each stage of the work.
We serve businesses on and around Menambedu Main Road — 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.
Ambattur hosts one of South India's largest small-scale industrial estates, where thousands of engineering, auto component, garment and fabrication units operate across the North and South phases off MTH Road and Ambattur-Red Hills Road. Job work movements between units demand disciplined ITC-04 and delivery challan records, while exporters and units crossing Rs.5 crore turnover must manage LUT filings and e-invoicing. That commercial character shapes the GST questions we see from Ambattur every week — registrations, monthly returns, credit mismatches and departmental queries. We deliver GSTR-1 & GSTR-3B Monthly Filing for businesses in Ambattur, and clients also reach us from Avadi and Padi nearby. Documents move over WhatsApp, drafts are approved before filing, and a senior consultant reviews every submission, so distance from our office never dilutes the quality of the work.
Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.
A registration cancelled for non-filing is not the end of the road. We bring the pending returns up to date, clear the dues and file the revocation application in REG-21 within the permitted window, restoring suspended and cancelled GSTINs to active status.
GSTR-1 requires four-digit HSN reporting for turnover up to Rs.5 crore and six digits above it, and a wrong code often means a wrong rate. We verify the classification of what you actually supply, so your invoices and returns rest on defensible codes.
In the days before the 11th and the 20th, our team runs extended hours and a strict internal queue, so a client who sends data late in the window is still filed on time. Peak-season crush at our end never becomes a late fee at yours.
Your work is executed by trained GST staff working under direct senior supervision, not passed to interns learning on your file. The person preparing your return understands reverse charge, blocked credits and place of supply, because getting these wrong costs you money.
Freight paid to transporters, advocate fees, imported services and other notified supplies attract GST under reverse charge, with self-invoicing where the supplier is unregistered. We maintain a running RCM check every period, because this is the liability self-filers most consistently miss.
OTP failures, DSC errors, stuck submissions on due-date evenings — we deal with the GST portal daily and know the workarounds. When the site misbehaves on the 20th, our team keeps retrying and escalating so your return still goes through.
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.
We spot suppliers who stop uploading invoices or filing returns and alert you before their default becomes your blocked credit, letting you recover amounts or switch vendors while the exposure is still small.
The hours you or your accountant spent wrestling with the portal, JSON errors and reconciliations every month return to sales, operations and customers, while trained hands manage the compliance in the background.
Large buyers check vendor GST compliance before releasing payments and renewing contracts. A clean filing record with timely GSTR-1 uploads keeps your invoices reflecting in their GSTR-2B and your payments unblocked.
Interest on delayed GST payment runs at 18 percent per annum, which is costlier than most working capital finance. Timely computation and payment through our calendar keeps that meter permanently at zero.
Late-fee waivers and amnesty windows notified by the GST Council are applied to your history within their deadlines, capturing reliefs that most businesses only hear about once the window has already closed.
Getting IGST versus CGST and SGST right at the invoice stage spares you the painful cycle of paying the correct head again and pursuing a refund of the amount paid under the wrong one.
| Aspect | With ChennaiGST | DIY / Unattended |
|---|---|---|
| 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. |
| Annual return preparation | Monthly reconciliations roll naturally into GSTR-9, filed comfortably before 31 December with figures already agreed through the year. | Twelve months of unmatched data reconstructed in December, with differences discovered too late to be corrected cleanly. |
| Input tax credit | Purchase register matched against GSTR-2B each period, with defaulting suppliers chased so eligible credit is actually captured. | Credit claimed from books alone; mismatches with GSTR-2B mean lost credit or excess claims that invite departmental queries. |
| Record keeping | Every return, challan, acknowledgement and working paper archived in an organised folder, retrievable in minutes years later. | Documents scattered across email, downloads and old phones; assembling records for a bank or an audit takes days. |
| When a notice arrives | A professional drafts the reply in the department's format and files it within the statutory window, such as thirty days for ASMT-11. | You face departmental language alone, and a missed reply deadline can convert a simple query into a demand with penalty. |
Selected notifications, Council decisions and court rulings that practising consultants are applying to live cases.
9th GST Council Meeting, New Delhi — 16 January 2017 (Signed Minutes, Agenda Item 5) · 2017-01-16
With the revised model law still to be brought back to the Council, the fitment of rates incomplete and taxpayers needing time to configure their accounting systems, the Council unanimously agreed to extend the GST rollout date to 1 July 2017. Maharashtra, Assam and Bihar had pressed for 1 April 2017, Assam adding that changing the tax regime in the middle of a financial year was undesirable, but the Chairperson observed that the legal and rate work would spill into March 2017 and that an April deadline had become a major challenge. Tamil Nadu and Karnataka supported 1 July 2017 as the more practical date.
How we apply it: GST law in India runs from 1 July 2017, so the first return periods, the first annual return and all transitional credit deadlines are measured from that date.
M/s. Sun Dye Chem v. Assistant Commissioner (ST) — Madras High Court, W.P. No. 29676 of 2019, decided 6 October 2020 (Anita Sumanth J.) · 2020-10-06
The dealer inadvertently reported supplies under the wrong tax heads in its GSTR-1 and GSTR-3B, with the result that its customers could not claim the credit. The statutory window for amendment had closed. The Madras High Court permitted rectification of the returns for the relevant period, reasoning that the error was bona fide, the revenue suffered no loss, and the mechanism that would have allowed the taxpayer to detect the mismatch (the auto-populated matching forms) had never been made operational.
What it means for you: If a genuine head-of-tax or classification error in your GST returns has blocked your customer's credit, the Madras High Court route to rectification is available even after the ordinary time limit has passed.
GSTN Advisory, 2022 — Phase-II of mandatory HSN reporting in Table 12 of GSTR-1 from 1 November 2022 · 2022-11-01
Mandatory HSN reporting in Table 12 of GSTR-1 was introduced in phases from 1 April 2022, when the portal began flagging missing or short codes in warning mode. In Phase-II, from the November 2022 return period, taxpayers with annual aggregate turnover up to Rs 5 crore had to report at least four-digit HSN codes for all business-to-business supplies in Table 12, and taxpayers above Rs 5 crore had to report six digits for all supplies. Phase-III in 2025 went further and replaced manual entry with selection from a dropdown of valid codes.
What it means for you: Correct HSN codes once at the item-master level, so that each successive tightening of portal validation does not force fresh rework.
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