The 11th and the 20th arrive every month whether you are ready or not. Our Chennai team keeps businesses in Medavakkam permanently ahead of both, delivering GSTR-1 & GSTR-3B Monthly Filing from Rs.749 with reconciliation, senior review and WhatsApp acknowledgements as standard.
We serve businesses on and around Bell Nagar 2nd 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.
Every locality in Chennai has its own commercial rhythm, and Medavakkam is no exception. Medavakkam's junction links Velachery, Tambaram, Sholinganallur and Mambakkam, making it one of south Chennai's fastest-selling apartment markets, ringed by builders, hardware and sanitaryware dealers, supermarkets and tuition centres along Medavakkam Main Road and the Sholinganallur route. Promoters using the 1 and 5 per cent residential rates must source at least 80 per cent of inputs from registered suppliers or pay tax on the shortfall under reverse charge. Our practice has shaped its GSTR-1 & GSTR-3B Monthly Filing work around exactly these realities, serving clients in Medavakkam as well as Pallikaranai and Madipakkam. 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.
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.
Businesses with registrations in more than one State, or multiple branches under one PAN, face cross-charge, stock transfer and input service distribution questions that single-GSTIN firms never see. We keep all your registrations consistent with each other, not just compliant individually.
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 Medavakkam, so inputs sent out for processing never quietly convert into a deemed supply carrying tax and interest.
Your cash ledger, credit ledger and liability register are reviewed regularly, not just at filing time. Excess balances are flagged for use or refund, and where a genuine slip surfaces, a voluntary payment through DRC-03 settles it before it can mature into a notice.
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.
No filing leaves our desk on a junior's judgement alone. A senior GST practitioner reviews your figures, ITC claims and tax computation before submission, so errors are caught at our table and not by the department months later through a notice.
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.
The 11th and the 20th stop being days of dread. You approve a prepared draft, we file, and the acknowledgement lands on your WhatsApp — month after month, without drama.
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.
When a business winds up, proper cancellation and a timely final return ensure the file is genuinely closed, so no demand or late-fee computation resurfaces against you long after the shutters came down.
Each period you receive a simple computation showing output tax, credit utilised and net cash payable, so GST becomes a number you understand and question rather than a figure you accept blindly.
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.
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.
| 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. |
| Goods in transit | E-way bills generated correctly and matched to invoices, so consignments pass roadside inspections without detention or penalty. | A defective or missing e-way bill can mean detention at a checkpoint, with penalties that dwarf the tax on the consignment. |
| 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. |
| 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. |
| 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. |
Bell Nagar 2nd Main road is a residential street in Medavakkam, about 900 m north-west of the centre of Medavakkam. The same consultant covers the streets immediately around it — Bell Nagar 1st Main road (about 100 m); Medavakkam Koot Road (about 150 m); Bell Nagar 3rd Main road (about 200 m); Bharath Street (about 600 m) — so a site visit on Bell Nagar 2nd Main road can usually be combined with other work in Medavakkam on the same trip. For GST purposes an address on Bell Nagar 2nd Main road falls under the Chennai South CGST Commissionerate, and the Medavakkam pincode is 600100.
Road classification and position from OpenStreetMap; distances are straight-line and approximate. Jurisdiction must be confirmed on your own registration certificate.
GST law moves through notifications, circulars and court decisions. These are the ones changing how filings are prepared right now.
Mineral Area Development Authority v. Steel Authority of India — Supreme Court, nine-judge Bench, (2024) 10 SCC 1, judgment dated 25-07-2024 · 2024-07-25
The Supreme Court held by majority that royalty payable under the mining law is a contractual consideration and not a tax. States retain legislative competence to impose taxes on mineral rights and on mineral-bearing land, and this power is not taken away by the central mining legislation. The Court overruled the contrary view taken in the earlier India Cement case, altering the fiscal position of mining and quarrying operations.
What it means for you: Chennai businesses in mining, quarrying or aggregates should factor State levies on mineral rights into costing alongside GST on the supply.
GSTN Advisory dated 7 June 2025 — non-editable auto-populated liability in GSTR-3B · 2025-06-07
After an October 2024 advisory and a January 2025 deferment, GSTN confirmed that from the July 2025 tax period the auto-populated outward tax liability in GSTR-3B, drawn from GSTR-1, IFF or GSTR-1A, is hard-locked and cannot be edited manually while filing. Any correction to sales figures must be made through GSTR-1A before GSTR-3B is filed. The change is intended to end mismatches between GSTR-1 and GSTR-3B.
What it means for you: Reconcile sales data before filing GSTR-1 each month, since GSTR-3B can no longer be adjusted at the last minute.
38th GST Council Meeting, New Delhi — 18 December 2019 · 2019-12-18
The Council waived late fee for taxpayers who furnished all pending statements of outward supplies in GSTR-1 for the tax periods from July 2017 to November 2019, provided they were filed by 10 January 2020. It also decided that e-way bill generation would be blocked for taxpayers who had not filed GSTR-1 for two tax periods, extending the blocking mechanism that already applied to GSTR-3B defaulters. Standard operating procedures were prescribed for officers dealing with non-filers, and Grievance Redressal Committees were set up at zonal and state level.
Why this matters: GSTR-1 default now carries its own e-way bill block, so filing GSTR-3B alone is not enough to keep despatches moving.
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