Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Professional GSTR-1 & GSTR-3B Monthly Filing for businesses in T. Nagar, 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 Burkit 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.
Every locality in Chennai has its own commercial rhythm, and T. Nagar is no exception. T. Nagar is South India's densest retail market, from silk showrooms on Usman Road to jewellery flagships around Panagal Park and garment stalls on Ranganathan Street. Turnover crosses the Rs.5 crore e-invoice threshold quickly here, and high-volume B2C billing produces chronic GSTR-1 versus GSTR-3B gaps, branch stock-transfer questions and close scrutiny of jewellers' HSN-wise reporting. Our practice has shaped its GSTR-1 & GSTR-3B Monthly Filing work around exactly these realities, serving clients in T. Nagar as well as West Mambalam and Nungambakkam. 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.
Tally, Zoho Books, Busy, marketplace reports, plain Excel or even a handwritten bill book — we take your data in whatever form your T. Nagar business already maintains it. You are never forced to buy new software or retrain staff just to become our client.
When an ADT-01 audit intimation or a personal hearing date arrives, we compile the records, prepare the reconciliations and draft the submissions, and coordinate closely with your authorised representative. You walk into the proceeding prepared, not improvising in front of an officer.
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.
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.
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.
Composition dealers have their own rulebook — CMP-08 every quarter, GSTR-4 annually by 30 June, bills of supply instead of tax invoices, and a turnover ceiling that must be watched. We handle each of these correctly so the scheme's simplicity never turns into a violation.
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.
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.
Amounts deducted by government buyers as GST TDS and by marketplaces as TCS are accepted on the portal each period, so money withheld against your GSTIN actually reaches your cash ledger instead of lying unclaimed.
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.
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.
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.
Excess balances parked in the electronic cash ledger are identified during regular ledger reviews and either utilised against upcoming liability or claimed back as a refund, instead of sitting interest-free with the government.
| Aspect | With ChennaiGST | DIY / Unattended |
|---|---|---|
| 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. |
| Risk of notices | GSTR-1, GSTR-3B and GSTR-2B reconciled before filing, removing the mismatches that trigger most scrutiny notices. | Inconsistent figures across returns quietly build a mismatch history that surfaces later as ASMT-10 scrutiny or a demand notice. |
| 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. |
| 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. |
| 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. |
Burkit Road is a secondary arterial road in T. Nagar, about 850 m south of the centre of T. Nagar. The same consultant covers the streets immediately around it — Venkatanarayana Road (about 300 m); Baganantham Street (about 350 m); Mahalakshmi Street (about 350 m); Sarojini Street (about 400 m) — so a site visit on Burkit Road can usually be combined with other work in T. Nagar on the same trip. For GST purposes an address on Burkit Road falls under the Chennai South CGST Commissionerate, and the T. Nagar pincode is 600017.
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.
Notification No. 10/2021-Central Tax and Notification No. 25/2021-Central Tax · 2021-06-01
The annual return in Form GSTR-4 for the financial year 2020-21, originally due on 30 April 2021, was first extended to 31 May 2021 by the notification of 1 May 2021 and then further extended to 31 July 2021 by the notification of 1 June 2021. Composition taxpayers had been badly affected by the second wave and by the fact that GSTR-4 had only recently changed from a quarterly to an annual return, causing widespread confusion about the filing period.
Practical effect: Chennai composition dealers had until 31 July 2021 for the 2020-21 annual return, which is the date from which any late fee for that year is correctly computed.
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.
How we apply it: Correct HSN codes once at the item-master level, so that each successive tightening of portal validation does not force fresh rework.
M/s. Caterpillar India (P) Ltd v. State Tax Officer — Madras High Court, W.P. Nos. 5075, 5076, 5078, 5081, 5128, 5185 and 5189 of 2019, decided 26 February 2019 (Anita Sumanth J.) · 2019-02-26
Consignments were detained because the e-way bills accompanying them had expired. The Court directed immediate release on furnishing a bank guarantee and, importantly, directed the assessing officer to consider whether the lapse was a substantive violation or only a technical breach, having regard to Sections 122, 125 and 126 of the CGST Act. Adjudication was to be completed within four weeks, with amounts already remitted by the transporter adjusted against the final determination.
What to do about it: A Chennai consignor whose goods are held for a stale e-way bill can seek release against security while pressing that Section 126 requires leniency for minor procedural lapses.
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.
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Chennai