Professional GSTR-1 & GSTR-3B Monthly Filing for businesses in West Mambalam, 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 Dr Ambedkar 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.
West Mambalam packs caterers, flower and pooja goods sellers, tailoring units and tuition centres into dense streets like Lake View Road and Arya Gowda Road beside Mambalam railway station. Family-run businesses here often operate near the Rs.40 lakh goods and Rs.20 lakh services registration thresholds, so registration timing, composition eligibility and purchases from unregistered dealers are the common questions. Years of working in and around West Mambalam have shown us where GST trouble actually begins here — supplier defaults, classification doubts and deadlines lost in busy trading weeks. Our GSTR-1 & GSTR-3B Monthly Filing is built to close precisely those gaps, and the same team supports businesses in T. Nagar and Ashok Nagar, each with one point of contact and a compliance calendar maintained on their behalf.
Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.
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.
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.
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.
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.
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.
Tally, Zoho Books, Busy, marketplace reports, plain Excel or even a handwritten bill book — we take your data in whatever form your West Mambalam 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.
Whether moving between composition and regular scheme, opting into QRMP, or crossing the e-invoice threshold at Rs.5 crore, transitions are planned in advance rather than discovered after a compliance breach.
Correct e-way bills matched to correct invoices mean your consignments clear roadside inspections cleanly, avoiding detention proceedings whose penalties can far exceed the tax on the goods being carried.
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.
You know your expected GST outflow days before the 20th, not on the night of filing. That advance visibility lets you plan payments, collections and bank balances instead of scrambling for funds at the deadline.
Because monthly data is reconciled as it happens, GSTR-9 preparation before the 31 December due date becomes a review exercise rather than a painful reconstruction of twelve untidy months.
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.
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
Dr Ambedkar Road is a secondary arterial road in West Mambalam, about 800 m north-west of the centre of West Mambalam. The same consultant covers the streets immediately around it — Cart Track Road (about 250 m); Brindavan Street Ext (about 300 m); Kannadasan Street (about 450 m); Umapathy Street (about 650 m) — so a site visit on Dr Ambedkar Road can usually be combined with other work in West Mambalam on the same trip. For GST purposes an address on Dr Ambedkar Road falls under the Chennai South CGST Commissionerate, and the West Mambalam pincode is 600033.
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.
Circular No. 247/04/2025-GST · 2025-02-14
Following the 55th GST Council meeting, CBIC clarified disputed classifications: ready-to-eat salted popcorn is taxable at 5 per cent (12 per cent if pre-packaged and labelled) while caramelised popcorn falls at 18 per cent as sugar confectionery; autoclaved aerated concrete blocks with over 50 per cent fly ash content attract 12 per cent; and dried pepper supplied by an agriculturist remains exempt. Past periods were regularised on an as-is-where-is basis to prevent retrospective demands.
What to do about it: Food processors and building-material traders should re-check product classifications against this circular, since regularisation protects past periods but the clarified rates bind future supplies.
GSTN Advisories No. 624 dated 27 September 2025 and No. 631 dated 17 October 2025 — IMS enhancements from the October 2025 tax period · 2025-10
GSTN enhanced the Invoice Management System from the October 2025 tax period. Recipients can now keep credit notes and specified records pending for one tax period instead of being forced to accept or reject them immediately, can declare the actual amount of input tax credit to be reduced when accepting a credit note where the credit was never availed or was already reversed, and can save remarks when rejecting or keeping a document pending. GSTR-2B can be recomputed after corrective action is taken.
Why this matters: Train your accounts team on the new pending and partial-reversal options so supplier credit notes do not strip more ITC than legally required.
Notification No. 9/2025-Central Tax (Rate), dated 17 September 2025, Schedule I, S. Nos. 388 to 392 (Chapters 61 to 64) · 2025-09-17
From 22 September 2025 articles of apparel and clothing accessories of Chapters 61 and 62, other made-up textile articles of Chapter 63 and footwear of Chapter 64 attract five per cent where the sale value does not exceed Rs 2,500 per piece or per pair, and eighteen per cent where it exceeds that figure. The old thresholds of Rs 1,000 for garments and the flat twelve per cent on all footwear are gone, and the test is sale value, not maximum retail price.
Why this matters: A T. Nagar garment or footwear retailer must map every stock keeping unit against Rs 2,500 of actual sale value, because that single figure determines whether five or eighteen per cent applies.
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