GSTR-1 & GSTR-3B Monthly Filing in Karapakkam does not have to mean portal errors, guesswork and due-date tension. For a fixed fee starting Rs.749, an accountable Chennai practice prepares, reconciles, reviews and files — and remains answerable long after the acknowledgement arrives.
We serve businesses on and around Gangaiamman Koil 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.
Karapakkam runs along Rajiv Gandhi Salai past the ELCOT SEZ, with IT and BPO units, facility-management and catering contractors, logistics operators, and hardware and fit-out firms clustered around Fourrts Avenue and the Riverview streets. SEZ-facing supplies demand endorsed invoices and correct zero-rating, while contractors face reverse charge on security and manpower services and frequent GSTR-2B mismatches on input credit. We have supported businesses of exactly this profile with GSTR-1 & GSTR-3B Monthly Filing across Karapakkam for years, along with clients from Thoraipakkam and Sholinganallur. The engagement is simple: one point of contact, a clear fee, documents over WhatsApp or in person at our Chennai office, and senior review before anything is submitted on the portal. What you get in return is clean filings, archived records and far fewer reasons for the department to write to you.
Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.
You deal with one accountable person who knows your business, your turnover pattern and your filing history. No repeating your story to a new voice every month, and no file falling between two desks when a deadline is approaching.
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.
Quarterly filing still demands monthly attention — IFF uploads so your buyers see their credit on time, and tax payment through PMT-06 by the 25th for the first two months of each quarter. We run that monthly rhythm so QRMP saves you effort without creating gaps.
We work with Chennai GST ranges and circles every week, including the jurisdiction covering Karapakkam. 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.
The annual return and, where turnover crosses Rs.5 crore, the self-certified reconciliation statement in GSTR-9C are prepared by the same team that filed your monthly returns. Nothing about your year has to be rediscovered or explained to a stranger in December.
GST is confusing enough without a language barrier. Our team explains notices, tax positions and filing requirements in plain Tamil or English, whichever you and your staff in Karapakkam are comfortable with, and keeps written communication simple and jargon-free.
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.
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.
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.
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.
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.
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.
| 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. |
| 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. |
| 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. |
| 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. |
| Time cost | Roughly an hour a month to send data and approve drafts; the portal work, reconciliation and follow-up are ours. | Hours every month lost to portal errors, JSON files, OTP failures and reworking figures — usually on the due date itself. |
| 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. |
Gangaiamman Koil Street is a residential street in Karapakkam, about 1.3 km south of the centre of Karapakkam. The same consultant covers the streets immediately around it — Velunayakkar Street (about 100 m); Nadu Street (about 100 m); Vembuli Nayakkar Street (about 100 m); Kangappa Street (about 100 m) — so a site visit on Gangaiamman Koil Street can usually be combined with other work in Karapakkam on the same trip. For GST purposes an address on Gangaiamman Koil Street falls under the Chennai South CGST Commissionerate, and the Karapakkam pincode is 600097.
Road classification and position from OpenStreetMap; distances are straight-line and approximate. Jurisdiction must be confirmed on your own registration certificate.
We track every notification, circular and judgment that changes a filing position, so your returns and replies reflect the current law.
Tamil Nadu Labour Welfare Board - AAR Tamil Nadu, advance ruling reported August 2021 · 2021
The Board, based at the DMS Campus in Teynampet, Chennai, owned immovable property and let portions of it to government departments and business entities. It asked whether it needed registration and whether the rent was exempt because the tenant was the government. The Authority held that renting of commercial property by the Board to a government or a business entity is not an exempt supply, so GST was payable on the rent collected.
Practical effect: Chennai landlords letting premises to government offices must charge GST unless a specific exemption entry clearly covers the letting.
GSTN Advisory dated 7 June 2025 — barring of GST returns after three years (Finance Act, 2023; Notification No. 28/2023-Central Tax) · 2025-06-07
Implementing the Finance Act, 2023 amendments to Sections 37, 39, 44 and 52, notified by Notification No. 28/2023-Central Tax, GSTN advised that from the July 2025 tax period the portal blocks filing of GST returns once three years have passed from their due date. The bar covers GSTR-1, GSTR-1A, GSTR-3B, GSTR-4, GSTR-5, GSTR-5A, GSTR-6, GSTR-7, GSTR-8 and GSTR-9. Taxpayers with old pending returns were urged to reconcile their records and file before the returns became permanently time-barred on the portal.
How we apply it: Clear every pending old return now, because once the three-year window closes the portal will not accept the return and registration consequences follow.
ALD Automotive (P) Ltd v. Commercial Tax Officer — Supreme Court, (2019) 13 SCC 225, judgment dated 12-10-2018 · 2018-10-12
Dealing with Section 19(11) of the Tamil Nadu VAT Act, the Supreme Court held that input tax credit is a concession created by statute and not an absolute or constitutional right. The legislature may impose conditions, including a time limit for claiming it, and such a limit is mandatory rather than directory. A dealer who claims credit after the prescribed period loses it. This reasoning is routinely applied to Section 16(4) of the CGST Act.
What it means for you: Chennai businesses must claim input tax credit within the statutory deadline, since courts have consistently refused relief for late claims.
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