Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Park Town · PIN 600003

GSTR-1 & GSTR-3B Monthly Filing in Park Town, Chennai

Reliable GSTR-1 & GSTR-3B Monthly Filing for Park Town businesses at a clear, fixed fee starting Rs.749. We handle the documentation, portal work and follow-up, you approve the draft before anything is filed, and the acknowledgement reaches you on WhatsApp the moment the filing goes through.

  • Handled by senior GST practitioners — 20 years in Chennai tax practice
  • Transparent fee: Rs.749/month onwards — full quote before we start
  • Same-day response on WhatsApp and phone (Mon-Sat: 9.00 AM - 8.00 PM)
  • Doorstep document pickup in Park Town
Rs.749/month onwardsProfessional fee
Filed before the 11th and 20th of every monthTypical timeline
20 yearsIn indirect tax practice
30 minCallback time

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15+Years in GST & Tax Practice
1500+Chennai Businesses Served
50000+GST Returns Filed
24GST Services Handled In-House
Local Expertise

Trade Profile and GST Jurisdiction for Park Town

Park Town wraps around Chennai Central station, Ripon Building and the Rajiv Gandhi Government General Hospital, so its trade runs to lodges, pharmacies and surgical suppliers on General Hospital Road, stationery and luggage shops near the old Moore Market complex, and parcel agencies along Wall Tax Road. Lodges must apply the correct GST slab on room tariffs, and suppliers to railway establishments reconcile 2 per cent TDS credits monthly. From a first registration to the annual return, the full range of GSTR-1 & GSTR-3B Monthly Filing is available to Park Town businesses without stepping far from the shop or office — documents travel over WhatsApp, and our Chennai premises are open to anyone who prefers a face-to-face discussion. We serve Parrys (George Town) and Broadway on the same footing, applying one rule everywhere: reconcile before filing, file before the due date, and keep the client informed at every stage.

GST jurisdiction for Park Town (PIN 600003): businesses here generally fall under the CGST Chennai North Commissionerate. We regularly represent clients from Park Town before this jurisdiction for registrations, clarifications and notice hearings, and can confirm your exact division and range from your GSTIN. State-jurisdiction cases are handled with the Tamil Nadu Commercial Taxes Department.
GST for Pharma Distributors in Park Town
Distributing medicines in Park Town means handling several rates at once: most formulations moved to 5 percent from 22 September 2025, while specified lifesaving drugs are nil-rated, and nil-rated sales trigger proportionate credit reversal under Rule 42. Date-expired stock returned by chemists must travel back either as a fresh supply from the retailer or against a credit note under Section 34, following the procedure laid down in Circular 72/46/2018, with credit reversal where the goods are destroyed. Batch-wise and expiry-wise stock records are what officers ask for first. A specialist manages the returns paperwork, rate masters and reversal workings that drug distribution demands.
For GSTR-1 & GSTR-3B Monthly Filing in Park Town the working timeline is Filed before the 11th and 20th of every month, counted from the point your documents are complete. The realistic completion date is confirmed to you in writing before work starts, and the acknowledgement is shared on WhatsApp immediately after filing.
Why Us

Why Park Town Businesses Choose ChennaiGST

Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.

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WhatsApp Updates at Every Stage

You receive a WhatsApp message when documents are received, when the draft is ready for your approval, and when the return or application is filed, along with the acknowledgement. You never have to call and ask what is happening with your file.

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Zero Tolerance for Late Fees and Interest

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.

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Refund and Export Experience That Shows

From filing the LUT in RFD-11 at the start of each financial year to preparing RFD-01 refund claims with complete annexures, we know what makes a refund file move. Exporters and inverted-duty businesses come to us specifically for this.

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Handholding for First-Time Registrants

A new GSTIN comes with obligations nobody explains at approval — the invoice series rules, displaying the registration certificate and GSTIN at your premises, and the first return cycle. We walk new registrants in Park Town through each of these so month one starts correctly.

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Extra Hands During Filing Windows

In the days before the 11th and the 20th, our team runs extended hours and a strict internal queue, so a client who sends data late in the window is still filed on time. Peak-season crush at our end never becomes a late fee at yours.

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GST Portal Expertise, Including the Difficult Days

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.

How It Works

Our Monthly Returns Process

Monthly data collection

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.

GSTR-1 preparation and filing

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.

ITC reconciliation with GSTR-2B

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.

Tax computation and confirmation

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.

GSTR-3B filing and reporting

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.

Checklist

Documents Required for GSTR-1 & GSTR-3B Monthly Filing

Send these on WhatsApp (+91 - 9600 606 444) and we take it forward the same day.

Transparent Pricing

What GSTR-1 & GSTR-3B Monthly Filing Costs in Park Town

Rs.749/month onwards

Timeline: Filed before the 11th and 20th of every month · No hidden charges · GST invoice provided

Rs.7,999/year

  • Invoice-level GSTR-1 preparation and filing by the 11th
  • GSTR-2B download and input tax credit reconciliation
  • GSTR-3B computation and filing by the 20th
  • Reverse charge liability identification and reporting
  • Challan preparation for tax payment
  • Filed return acknowledgements and monthly tax summary

Call +91 - 9600 606 444

Outcomes

What You Get

Practical outcomes our clients measure us by.

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Tax Paid Under the Right Head

Getting IGST versus CGST and SGST right at the invoice stage spares you the painful cycle of paying the correct head again and pursuing a refund of the amount paid under the wrong one.

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Waiver Benefits Never Missed

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.

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Smooth Scheme Transitions

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.

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Fewer Errors at the Billing Counter

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.

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A Professional Face on Every Invoice

Correct, complete tax invoices signal a well-run business to customers, vendors and banks alike, quietly strengthening your credibility in every transaction where your paperwork is seen.

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Marketplace Accounts That Stay Live

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.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
Input tax creditPurchase 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 preparationMonthly 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.
Refund claimsRFD-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.
Due-date trackingA maintained compliance calendar with internal cut-offs days before the 11th and the 20th; we chase you for data, not the other way around.Deadlines remembered from memory or phone alarms; one busy week and the return slips past the due date.
When a notice arrivesA 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.
Late fees and interestFilings 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.
Case Law & Notifications

What the Department and the Courts Have Said — relevant to Park Town businesses

We track every notification, circular and judgment that changes a filing position, so your returns and replies reflect the current law.

Notification

Gold, silver, diamonds and jewellery rates left untouched by GST 2.0

Notification No. 9/2025-Central Tax (Rate), dated 17 September 2025, Schedules IV, V and VI · 2025-09-17

Schedule IV at 1.5 per cent central tax, that is three per cent combined, covers pearls, silver, gold, platinum, base metals clad with precious metal, articles of jewellery, goldsmiths' and silversmiths' wares, imitation jewellery and coin. Schedule V at 0.125 per cent, that is 0.25 per cent combined, covers rough or simply sawn diamonds and unworked precious and semi-precious stones. Schedule VI at 0.75 per cent, that is 1.5 per cent combined, covers cut and polished diamonds and worked synthetic stones.

What it means for you: Jewellers in Chennai continue to charge three per cent on ornaments, with the separate making charge taxed as a service, so no repricing was needed in September 2025.

Portal Advisory

Inter-state retail invoices above Rs 1 lakh must be reported individually

GSTN Advisory, September 2024 — implementation of the reduced Table 5 threshold notified by Notification No. 12/2024-Central Tax, dated 10 July 2024 · 2024-09

The threshold for invoice-wise reporting of inter-state supplies to unregistered persons in Table 5 of GSTR-1 and the corresponding table of GSTR-5 was reduced from Rs 2.5 lakh to Rs 1 lakh. GSTN implemented the change on the portal and advised taxpayers that each inter-state business-to-consumer invoice above Rs 1 lakh must now be reported separately with the place of supply, instead of being merged into the consolidated state-wise summary in Table 7.

Practical effect: Configure your billing software to flag inter-state retail bills above Rs 1 lakh, since a wrong place of supply here creates state-level revenue mismatch notices.

AAR Ruling

Project management consultancy for a public water project held exempt

Tamil Nadu Water Investment Company Ltd - AAR Tamil Nadu, advance ruling reported at 2019 (2) TMI 187 · 2019

The Chennai company provided management consultancy and detailed project report services to the Chennai Metro Water Supply and Sewerage Board for water related projects. It asked whether the service attracted GST. The Authority held that the supply was a pure service with no supply of goods involved, rendered in relation to a function entrusted to a municipality, and was therefore exempt from GST under the entry covering pure services supplied to government and local authorities.

What to do about it: Chennai consultants on government water and civic projects should test the pure services exemption before adding GST to their invoices.

References are provided for general information. Verify the current position on gst.gov.in or cbic.gov.in before acting.

FAQs

Frequently Asked Questions

Straight answers from practising GST consultants — based on the CGST Act, current CBIC notifications and day-to-day portal experience.

What documents are required for GSTR-1 & GSTR-3B monthly filing in Park Town?
For GSTR-1 & GSTR-3B monthly filing you will generally need: Sales invoices or sales register for the month, Purchase invoices or purchase register, Credit notes and debit notes issued during the month, GST portal login credentials, Bank statement for the period, if reconciliation is needed. The exact list depends on your constitution — proprietorship, partnership, LLP or company — and on the specifics of your case. Send what you have on WhatsApp to +91 - 9600 606 444 and we will confirm within the same working day exactly what else is needed, so nothing is rejected later for a missing paper.
How much does GSTR-1 & GSTR-3B monthly filing cost in Park Town?
Our fee for GSTR-1 & GSTR-3B monthly filing in Park Town starts at Rs.749/month and is quoted in full before we begin — there are no hidden charges added later. The fee covers professional work end to end: document review, preparation, filing and follow-up until completion. Government fees or portal charges, where applicable, are separate and always shown to you upfront. For an exact quote based on your turnover and business type, call +91 - 9600 606 444 and a consultant will confirm it on the call.
How do I handle GST when expired medicines are returned to the distributor?
CBIC Circular 72/46/2018 gives two routes for time-expired drugs. The return can be treated as a fresh supply by the person returning them, with a tax invoice if that person is registered, or the original supplier can issue a credit note under Section 34; the tax adjustment on a credit note is available only if it is reported within the statutory window, now 30 November following the financial year of supply. Where the manufacturer ultimately destroys the expired stock, input tax credit relating to the destroyed goods must be reversed under Section 17(5)(h). Pharmacies should reconcile expiry returns quarterly; call +91 - 9600 606 444 for help.
How is interest calculated if I pay GST late?
Interest is charged at 18 percent per annum under Section 50 of the CGST Act, calculated day-wise from the due date until the date of payment. Following the amendment to Section 50, interest on delayed GSTR-3B filing applies only on the portion of tax paid through the electronic cash ledger, not on the amount settled using input tax credit. For example, a cash liability of Rs.1,00,000 paid 30 days late attracts roughly Rs.1,479 as interest. We compute this precisely before filing so clients in Park Town never overpay or underpay.
What is the difference between GSTR-1 and GSTR-3B?
GSTR-1 is a detailed invoice-wise statement of your sales, filed by the 11th of the next month. It does not involve any tax payment but it feeds your customers' GSTR-2B for input tax credit. GSTR-3B is a self-declared summary return, due on the 20th, where you report total sales, claim input tax credit and pay the net tax in cash or through credit. Both must match; mismatches between GSTR-1 and GSTR-3B are a common trigger for notices from the department, which is why we reconcile them before every filing.
Can my company claim ITC on GST paid to a contractor building our new office?
Generally no. Section 17(5) blocks input tax credit on works contract services and on goods or services used for construction of immovable property on your own account, even when the building is used for business. The exception is plant and machinery, so credit on GST paid for installing machinery, equipment or apparatus fixed to earth remains available. The block does not apply within the construction chain itself: a sub-contractor's works contract service supplied to the main contractor is creditable for the main contractor, since it is used for an onward works contract supply. Classifying civil costs correctly during a project saves disputes at audit.
My SaaS startup in Park Town bills both US and Indian customers. Is everything zero-rated?
No. Only the supplies satisfying the export conditions are zero-rated under your LUT. Subscriptions billed to customers located in India are ordinary taxable supplies at 18 percent, with the place of supply being the registered customer's location, or the address on record for unregistered users. Your GSTR-1 must therefore separate export invoices from domestic B2B and B2C supplies, and your accumulated ITC refund is computed only in proportion to export turnover. Many Park Town SaaS founders wrongly treat all revenue as export because billing runs through one gateway; a revenue-wise mapping avoids demands later. Call +91 - 9600 606 444 for a review.
Swiggy and Zomato pay the GST on my restaurant orders. How do I show these sales in my returns?
Since 1 January 2022, tax on restaurant services supplied through e-commerce operators is payable by the operator under Section 9(5), so you do not charge GST on app orders and no TCS is collected on them either. You must still report these supplies: show them in GSTR-3B Table 3.1.1(ii) as supplies on which the operator pays tax, and disclose them in GSTR-1, without paying tax on them again. Direct dine-in and takeaway billing remains taxable in your hands at 5%. Mixing up these tables is a common error we correct for restaurants in Park Town; call +91 - 9600 606 444 for help.
Is ITC available on food, catering and canteen expenses for our factory staff?
Section 17(5)(b) blocks credit on food, beverages and outdoor catering, but with two useful exceptions. First, where you use catering as an input for making an outward supply of the same category, such as a caterer subcontracting another caterer, credit is allowed. Second, where providing the facility is obligatory for the employer under any law, credit is allowed; the classic case is a statutory canteen required under the Factories Act for factories employing more than 250 workers. Even then, credit is typically restricted to the cost borne by the employer, not amounts recovered from employees. Factories around Park Town should keep the statutory obligation documented in their credit file.
I claimed some ITC wrongly last year. What interest and penalty apply if I reverse it now?
Under Section 50(3) as amended, interest at 18 percent per annum applies where wrongly availed credit has also been utilised, calculated from the date of utilisation until reversal; credit that was availed but never utilised, because your ledger balance never fell below the wrong amount, attracts no interest. Voluntary reversal is done through GSTR-3B or by payment in DRC-03, and paying before any show cause notice generally avoids or minimises penalty. If the department has already issued ASMT-10 or DRC-01, reply timelines apply, so act quickly. Call +91 - 9600 606 444 and ChennaiGST can compute the exact interest and file the DRC-03.
Can I revise GSTR-9 after filing if I find an error?
No, GSTR-9 cannot be revised once filed. This makes pre-filing reconciliation critical, because the annual return is the department's primary reference during scrutiny and audit. If you discover unpaid liability after filing, it can be paid voluntarily through Form DRC-03 with interest, which mitigates penalty exposure. If credit was short-claimed, the annual return itself cannot fix it, since input tax credit claims are governed by the time limits in Section 16(4). Our process in Park Town involves a line-by-line reconciliation and a client sign-off before we submit anything.
What is self-invoicing under RCM and is there a time limit for it?
When you receive supplies liable to reverse charge from an unregistered supplier, Section 31(3)(f) requires you, the recipient, to issue an invoice on yourself, because the supplier cannot issue a tax invoice. You must also issue a payment voucher when paying the supplier. From 1 November 2024, Rule 47A prescribes a firm deadline: the self-invoice must be issued within thirty days of receiving the supply. This document is not a formality; the time limit for claiming the RCM credit is reckoned from the self-invoice, and its absence can cost you the credit besides inviting penalty. Maintain a monthly self-invoice series covering rent, freight, legal fees and similar unregistered-supplier heads.
What are the most common mistakes Chennai businesses make with GST refunds and ITC?
The recurring ones we see across Park Town are: missing the two-year limitation for RFD-01, mismatches between GSTR-1, GSTR-3B and shipping bill data that stall export refunds, forgetting the April LUT renewal, claiming ITC on invoices absent from GSTR-2B, ignoring blocked credits under Section 17(5), breaching the 180-day supplier payment rule, and treating deficiency memos as rejections instead of refiling within limitation. Each of these is preventable with a simple monthly checklist and a year-end reconciliation. ChennaiGST builds exactly this discipline into its retainer engagements; call +91 - 9600 606 444 if any of these sounds familiar.
How many digits of the HSN code must I print on my tax invoices?
Under Notification 78/2020 Central Tax, taxpayers with aggregate turnover up to Rs.5 crore in the preceding financial year must mention a 4-digit HSN code on all B2B tax invoices, though it is optional on B2C invoices. Taxpayers with turnover above Rs.5 crore must mention 6-digit HSN codes on every invoice, including B2C. Eight digits are required for specified goods such as certain chemicals and for export documentation. Services follow the same rule using SAC codes, which begin with 99. Printing truncated or wrong codes on invoices creates mismatches later, so set the codes correctly in your billing software once.
Can I reduce GST for discounts given after the sale, like turnover incentives?
Only if three conditions in Section 15(3)(b) are met: the discount was established under an agreement that existed before or at the time of supply, it can be linked to specific invoices, and the recipient reverses the input tax credit attributable to it. If all three hold, you issue a GST credit note and reduce your output tax. If any condition fails, which is common for year-end volume incentives negotiated later, the adjustment must go through a commercial credit note without any GST effect. Distributor incentive schemes run from Park Town should be papered before the season starts, not after.
What is the GST rate on a works contract for a commercial building?
Under GST, a works contract relating to immovable property is treated wholly as a supply of services, and the standard rate is 18 percent on the contract value, with the contractor eligible for input tax credit on cement, steel and other inputs. This applies to construction, fabrication, erection, repair and renovation contracts for factories, offices and commercial buildings. The old VAT-plus-service-tax splitting of material and labour is gone; one rate applies to the whole consideration. Contractors should also note that free-issue materials supplied by the client can affect valuation, so contract drafting deserves attention before quoting.
Do I have to issue an invoice for every small cash sale in my shop?
Not necessarily. Where the value of a supply is less than Rs.200, the buyer is unregistered, and the buyer does not ask for an invoice, you may skip issuing an individual tax invoice. Instead, you must prepare one consolidated tax invoice at the close of each day covering all such small sales. The moment a customer demands an invoice, or the sale is Rs.200 or more, a proper invoice is required. Retail counters typically issue system receipts to every customer anyway, which is cleaner practice, but the daily consolidated invoice is the legal minimum for petty sales.
What are OIDAR services under GST and who pays the tax on them?
OIDAR means Online Information Database Access or Retrieval services, delivered over the internet, such as cloud services, e-books, streaming, online advertising and automated e-learning. When a foreign OIDAR provider supplies these to unregistered persons in India, the foreign provider itself must take a simplified registration in Form REG-10 and file monthly return GSTR-5A. From 1 October 2023, the definition was widened, so almost every unregistered Indian recipient is covered. When the Indian recipient is GST-registered, the tax instead falls on the recipient under reverse charge as an import of services.
Is there a GST consultant near Park Town for gst return filing?
Yes. We serve Park Town and the surrounding areas from our office at Porur, Chennai - 600 116, Tamil Nadu, and most monthly returns work is completed online — you send documents on WhatsApp and we handle the portal work. If you prefer in-person help, we offer doorstep document pickup across Park Town and you are welcome to visit our office. Reach us on +91 - 9600 606 444 between 9 AM and 8 PM, Monday to Saturday.
Do you provide gst return filing for small businesses and proprietorships in Park Town?
Yes. A large share of our clients in Park Town are proprietors, small traders, shop owners, freelancers and family businesses rather than large companies. The fee of Rs.749/month and the process are the same regardless of size, and we explain the compliance position in plain language — in Tamil or English — so you understand what is being filed on your behalf and why.
How long does GSTR-1 & GSTR-3B monthly filing take in Park Town?
Filed before the 11th and 20th of every month. That assumes your documents are complete and there is no departmental query. We start the same day we receive your papers and tell you the realistic completion date upfront rather than an optimistic one. Where the GST portal or the officer causes delay — clarifications, physical verification or system issues — we track it daily and keep you informed on WhatsApp.
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