Most of it happens without you leaving your shop counter. Share your documents on WhatsApp, approve the prepared draft, and your GSTR-1 & GSTR-3B Monthly Filing is completed on the portal from Rs.749 — by a Chennai team that businesses across Tambaram have relied on for years.
We serve businesses on and around Manimegalai Street — 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.
Every locality in Chennai has its own commercial rhythm, and Tambaram is no exception. Tambaram is the southern suburbs' trading hub: wholesale and retail clusters around Duraisamy Reddy Street and Gandhi Road in West Tambaram, MEPZ-SEZ exporters at Tambaram Sanatorium and institutions like Madras Christian College. Suppliers to MEPZ units must execute zero-rated supplies under LUT with proper endorsements, and wholesalers carry chronic ITC mismatch exposure from multi-supplier purchases. Our practice has shaped its GSTR-1 & GSTR-3B Monthly Filing work around exactly these realities, serving clients in Tambaram as well as Chromepet and Selaiyur. Registrations, returns, refunds and notice replies are handled by one accountable team, with fees fixed in writing before work begins and every filing reconciled against portal data before it is submitted.
Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.
If a query, ASMT-10 scrutiny notice or DRC-01 arrives on a return we filed, we stand behind our work and help you draft the reply. You are not left alone with a departmental letter and a thirty-day clock ticking against you.
We work with Chennai GST ranges and circles every week, including the jurisdiction covering Tambaram. We know how local proper officers examine registrations, what supporting documents they routinely call for, and how to present a file so it moves without repeated queries.
We match your purchase register against GSTR-2B every period, follow up on invoices your suppliers have not uploaded, and ensure every rupee of eligible input tax credit is claimed. Clients routinely recover credit they were silently losing under self-filing.
Goods sent to job workers must move on delivery challans, return within the statutory period, and be reported in ITC-04. We track every outward and return leg for manufacturing clients in Tambaram, so inputs sent out for processing never quietly convert into a deemed supply carrying tax and interest.
Tally, Zoho Books, Busy, marketplace reports, plain Excel or even a handwritten bill book — we take your data in whatever form your Tambaram business already maintains it. You are never forced to buy new software or retrain staff just to become our client.
Sellers on Amazon, Flipkart and other marketplaces face a three-way match between marketplace reports, GSTR-1 and the TCS the operator deposits against your GSTIN. We reconcile all three every period and accept the TCS credit, so sellers in Tambaram never leave marketplace deductions unclaimed.
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.
Where a genuine error is found in a past period, voluntary payment through DRC-03 before any notice issues closes the matter at minimal cost, instead of letting it ripen into a demand with penalty.
Statutory windows such as thirty days for an ASMT-11 reply are tracked from the day a notice arrives, so responses go in on time, complete, and with your best case properly presented.
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.
Filed returns, challans, reconciliations and working papers are archived in order from day one. If an audit or departmental verification comes, your file is ready the same week, not assembled in a panic.
Your billing staff are guided on invoice fields, rates and series discipline, so mistakes are prevented where they originate — at the counter — instead of being repaired later in the returns.
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.
| Aspect | With ChennaiGST | DIY / Unattended |
|---|---|---|
| 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. |
| Refund claims | RFD-01 filed with complete statements and annexures, tracked from ARN to bank credit, with any deficiency memo answered promptly. | Incomplete claims bounce back as deficiency memos while the refund sits unclaimed for months and working capital stays blocked. |
| 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. |
| 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. |
| 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. |
Manimegalai Street is a residential street in Tambaram, about 2.1 km east of the centre of Tambaram. The same consultant covers the streets immediately around it — Camp Road (about 550 m); Kamaraj Street (about 1.2 km); Kannagi Street (about 1.5 km); Periyalwar Street (about 1.8 km) — so a site visit on Manimegalai Street can usually be combined with other work in Tambaram on the same trip. For GST purposes an address on Manimegalai Street falls under the Chennai Outer CGST Commissionerate, and the Tambaram pincode is 600045.
Road classification and position from OpenStreetMap; distances are straight-line and approximate. Jurisdiction must be confirmed on your own registration certificate.
A working knowledge of recent instruments and judgments is what separates a defensible filing from a risky one.
GSTN Advisories dated 11 April 2025 and 16 May 2025 — Table 3.2 of GSTR-3B · 2025-04-11
GSTN first advised that from the April 2025 period, auto-populated values in Table 3.2 of GSTR-3B, covering inter-state supplies to unregistered persons, composition taxpayers and UIN holders, would become non-editable, with corrections routed through GSTR-1A. After taxpayer representations, a 16 May 2025 advisory kept Table 3.2 editable for the time being. The locking was later subsumed in the broader hard-locking of GSTR-3B liability during 2025.
What it means for you: Report place-of-supply details correctly in GSTR-1 itself, since state-wise B2C figures in GSTR-3B are moving beyond manual correction.
39th GST Council Meeting, New Delhi — 14 March 2020 · 2020-03-14
Following widespread demands computing interest on the gross tax liability of a late GSTR-3B, ignoring the credit balance available, the Council recommended that interest under Section 50 be charged only on the net cash tax liability, with retrospective effect from 1 July 2017. This was given effect through the proviso to Section 50(1) inserted by the Finance Act, 2021 and notified retrospectively, and it neutralised thousands of interest demands raised on gross turnover across the country.
How we apply it: If you have received an interest demand computed on gross output tax for a late return, the net cash liability principle from this meeting is usually a complete answer.
Notification No. 9/2025-Central Tax (Rate), dated 17 September 2025, Schedule I, renewable energy devices entry · 2025-09-17
Biogas plants, solar power based devices and generators, solar lanterns and lamps, windmills and wind operated electricity generators, waste-to-energy plants, ocean and tidal wave energy devices and photovoltaic cells whether or not assembled into modules or panels are all listed in Schedule I at five per cent from 22 September 2025, reversing the increase made in October 2021. The explanation deeming seventy per cent of a composite project contract to be the value of goods has been carried forward unchanged.
How we apply it: Rooftop solar installers in Chennai bill the goods component at five per cent using the 70:30 split, which materially lowers the delivered cost of a project.
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