Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Thirusulam · PIN 600043

Get GSTR-1 & GSTR-3B Monthly Filing Done in Thirusulam

Late fees, blocked credit and mismatch notices cost far more than professional help ever will. We complete GSTR-1 & GSTR-3B Monthly Filing for Thirusulam businesses from Rs.749, matching every figure against portal data before anything reaches the department.

  • 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 Thirusulam
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 Thirusulam

GST does not distinguish between a large showroom and a small service unit — the due dates and matching systems apply equally to both. Thirusulam faces Chennai International Airport across GST Road, its quarried hill topped by the Tirusoolanathar Temple and its frontage taken by freight forwarders, air cargo agents, customs brokers, cab fleets and budget lodges near Tirusulam railway station and the Airport Flyover. Zero-rated export freight, place-of-supply calls on international transport and reverse charge on GTA services make these filings unusually technical. That is why our GSTR-1 & GSTR-3B Monthly Filing engagements in Thirusulam follow the same discipline whatever the client's size: written checklists, reconciliation before filing and every acknowledgement archived. Businesses from Meenambakkam and Pallavaram run on the same process, entirely over WhatsApp if they prefer.

GST jurisdiction for Thirusulam (PIN 600043): businesses here generally fall under the CGST Chennai Outer Commissionerate. We regularly represent clients from Thirusulam 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 Importers in Thirusulam
For an importer, credit hygiene starts at customs. IGST paid on the Bill of Entry is fully creditable and flows from ICEGATE into GSTR-2B, but only when the GSTIN and Bill of Entry details filed with customs are exact; a single wrong digit strands the credit outside your statement. Basic customs duty is never creditable and must be costed into pricing. Imports under advance authorisation can skip IGST subject to export obligations, and related-party imports invite customs valuation scrutiny that feeds back into GST. A specialist reconciles every Bill of Entry against GSTR-2B monthly and recovers stranded credits before the claim window closes.
You can move your GSTR-1 & GSTR-3B Monthly Filing to a new consultant in Thirusulam at any time mid-year; past filings are reviewed, pending items are regularised, and ongoing fees start at Rs.749.
Why Us

Why Thirusulam Businesses Choose ChennaiGST

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

✓

Correct HSN Codes and Rates, Verified

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.

✓

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.

✓

Every Return Reviewed by a Senior Consultant

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.

✓

Waiver and Amnesty Windows Applied for You

Whenever the GST Council notifies a late-fee waiver or an amnesty window for pending returns or old demands, we check every client's history against it and act within the deadline. Relief that businesses in Thirusulam would otherwise read about after it lapsed reaches our clients in time.

✓

Composition Scheme Compliance Without Slips

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.

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A Real Local Office You Can Walk Into

We are a Chennai firm with a physical office, not a faceless portal. If you prefer to sit across a table with your papers, you are welcome. Clients from Thirusulam regularly visit us for registrations, notice discussions and annual return reviews.

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 Thirusulam

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.

★

A Written Trail for Every Decision

Tax positions, rate choices and credit calls are documented as they are made, so if a question arises years later, the reasoning and evidence are on file rather than in someone's fading memory.

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Stronger Standing with Corporate Buyers

Large buyers check vendor GST compliance before releasing payments and renewing contracts. A clean filing record with timely GSTR-1 uploads keeps your invoices reflecting in their GSTR-2B and your payments unblocked.

★

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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Peace of Mind Around Due Dates

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.

★

Books and Returns That Agree at Year End

Because turnover in your GST returns is kept aligned with your accounts through the year, income tax filing and statutory audit proceed without the GST-versus-books mismatch queries that now surface routinely through data matching.

★

Supplier Risk Caught Early

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.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
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.
Risk of noticesGSTR-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.
Portal credentials and dataLogins 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.
Goods in transitE-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.
Registration and amendmentsQuery-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.
Record keepingEvery return, challan, acknowledgement and working paper archived in an organised folder, retrievable in minutes years later.Documents scattered across email, downloads and old phones; assembling records for a bank or an audit takes days.
Compliance Watch

GST Developments Worth Knowing — relevant to Thirusulam businesses

A working knowledge of recent instruments and judgments is what separates a defensible filing from a risky one.

Portal Advisory

Negative liability in GSTR-4 for composition dealers and how it was corrected

GSTN Advisory, 2021 — negative liability appearing in Form GSTR-4 filed by composition taxpayers · 2021

Composition taxpayers who left Table 6 of the annual return GSTR-4 blank found that the tax already paid through Form CMP-08 was treated as an excess payment, creating a negative liability that was then adjusted against later quarters. GSTN clarified that outward supply and reverse charge figures must be entered in Table 6 even though the tax has already been paid, and arranged for wrongly created negative balances to be reversed.

Practical effect: Composition dealers in Chennai must complete Table 6 of GSTR-4 each year, or the portal will show a false credit and later recover it.

Circular

How to correct mistakes in GSTR-3B and the rules on late fee for early returns

Circular No. 26/26/2017-GST dated 29 December 2017 · 2017-12-29

This consolidated circular explained the return filing decisions of the 23rd GST Council meeting. It clarified the due dates, the quantum of late fee, and, most usefully, that errors in a GSTR-3B already filed cannot be revised but must be corrected by adjusting the figures in the return of a later month, with interest payable where tax was short paid. It also dealt with returns that were submitted but not filed because of portal problems.

What it means for you: The principle that GSTR-3B is corrected in a subsequent month rather than revised still governs every rectification a Chennai business makes today.

AAR Ruling

Agricultural seedling trays are plastic articles taxable at 18 percent

Saro Enterprises - AAR Tamil Nadu (2018), upheld by AAAR Tamil Nadu, order dated 6 February 2019 · 2018

The applicant made polypropylene and recycled plastic trays used by farmers to raise paddy and vegetable seedlings, and argued that they were agricultural implements. The Authority held that the trays are other articles of plastic under heading 3926 90 99 and are taxable at 9 percent central tax and 9 percent State tax. Use in agriculture does not by itself bring a product within the exempt agricultural implements entry, and the material and the tariff description prevail over the end use.

What to do about it: Chennai suppliers to the farm sector cannot assume exemption merely because the buyer uses the product in agriculture.

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.

Is there a GST consultant near Thirusulam for gst return filing?
Yes. We serve Thirusulam 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 Thirusulam and you are welcome to visit our office. Reach us on +91 - 9600 606 444 between 9 AM and 8 PM, Monday to Saturday.
What documents are required for GSTR-1 & GSTR-3B monthly filing in Thirusulam?
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.
What documents do I need to give my GST consultant every month?
For monthly returns you need your sales invoices (or a sales register), purchase invoices, credit and debit notes, details of advances received for services, and any export or SEZ supply documents. If you use accounting software, an exported sales and purchase summary is enough. We then match your purchases against GSTR-2B on the portal before claiming input tax credit. Most clients in Thirusulam simply share their data on WhatsApp or email by the 5th of each month and we handle the rest. Call +91 - 9600 606 444 to set up a simple monthly routine.
What happens if I miss filing GSTR-3B this month?
A late fee of Rs.50 per day (Rs.20 per day for a nil return) accrues automatically, capped based on your turnover, and interest at 18 percent per annum applies on tax paid late. You also cannot file the next period's GSTR-1 until the pending GSTR-3B is filed, since returns must be filed sequentially. If two consecutive tax periods remain unfiled, e-way bill generation gets blocked, and continued default can lead to suspension of your GSTIN. File the pending return at the earliest; call +91 - 9600 606 444 and we can clear the backlog quickly.
We hire security guards from an agency. Should they charge GST or should we pay it ourselves?
Check the agency's constitution. Since 1 January 2019, security services by way of supply of security personnel provided by any person other than a body corporate to a registered person fall under reverse charge, so your business pays the 18 percent directly and claims credit. If the agency is a body corporate, such as a private limited company, it charges GST under forward charge on its invoice. Recipients registered under the composition scheme are excluded from this reverse charge entry. Businesses in Thirusulam commonly pay agencies' forward-charge invoices while also missing their own RCM cases, so an annual review of security and manpower bills is worthwhile.
Can I issue a single credit note against several invoices?
Yes. Since the amendment to Section 34 by the CGST (Amendment) Act, 2018, effective 1 February 2019, the law permits one or more credit notes to be issued against one or more tax invoices of a financial year. A distributor giving a season-end adjustment to a retailer can therefore issue one consolidated credit note covering dozens of invoices, rather than one note per bill. When reporting it in GSTR-1, the portal accepts credit notes without invoice-wise linking for this reason. Maintain a working annexed to the credit note listing the invoices covered, because in scrutiny the officer will ask you to establish the linkage and the arithmetic.
My shop was closed for a month. Can I skip filing GST returns for that period?
No. Once you hold an active GSTIN, returns must be filed for every tax period regardless of business activity. If there were no sales and no purchases, you must file nil GSTR-1 and nil GSTR-3B for that month. Skipping creates a break in the sequential filing chain, blocks future returns, accumulates late fees and can eventually lead to suspension of registration. Nil returns take only minutes and can even be filed by SMS. If your business in Thirusulam has periods of inactivity, ask us about our low-cost nil filing plan.
How does a GTA opt for forward charge, and by when must it be done?
The option is exercised by filing the Annexure V declaration on the GST portal. For an existing GTA, the window for a financial year runs from 1 January to 31 March of the preceding financial year, so the choice for the coming year must be locked in by 31 March. A newly registered GTA must file the declaration within forty-five days of applying for registration or one month from the date of obtaining registration, whichever is later. Once exercised, the option continues for future years automatically unless the GTA files Annexure VI to revert to reverse charge. Missing the window means remaining under the default reverse charge mechanism for the whole year.
What is the late fee if I file a nil return late?
For a nil GSTR-3B or nil GSTR-1 filed after the due date, the late fee is Rs.20 per day of delay (Rs.10 CGST plus Rs.10 SGST), capped at Rs.500 per return (Rs.250 plus Rs.250). No interest applies since there is no tax payable. While Rs.500 sounds small, defaults across several months add up, and the bigger cost is the compliance chain breaking and your GSTIN being flagged. If you have a backlog of nil returns pending in Thirusulam, call +91 - 9600 606 444; clearing them usually takes us a single working day.
Can nil GSTR-1 also be filed through SMS?
Yes. Send NIL space R1 space your GSTIN space tax period in MMYYYY format (use the quarter-ending month for quarterly filers) to 14409 from the registered mobile number of the authorised signatory. Confirm with the CNF code received, and the portal issues an ARN. A nil GSTR-1 is possible only when there are no outward supplies at all, including no credit notes, amendments or documents to report for that period. Many of our clients in Thirusulam with seasonal businesses use this facility during off months, with our team verifying the status afterwards.
What is the difference between GSTR-2A and GSTR-2B, and which one should I follow?
GSTR-2A is a dynamic statement that keeps changing as suppliers file or amend their returns, so the same month's data can look different on different dates. GSTR-2B is a static statement generated on the 14th of each month, capturing supplier filings between cut-off dates, and it never changes afterwards. The law ties your ITC eligibility to GSTR-2B, and GSTR-3B auto-populates from it, so 2B is the statement to reconcile against for monthly claims. GSTR-2A remains useful for tracing when an invoice was actually uploaded, which helps in replying to departmental queries about earlier periods.
Why is there GST on an under-construction flat but not on a ready-to-move one?
Construction of an apartment intended for sale is a supply of service only when any part of the consideration is received before the completion certificate is issued or before first occupation. Such under-construction sales attract 1 percent for affordable residential apartments and 5 percent for other residential apartments, both without input tax credit to the builder. Once the completion certificate is issued, sale of the building is neither a supply of goods nor of services under Schedule III, so a ready-to-move flat carries no GST at all, only stamp duty and registration charges. Timing of booking therefore changes the buyer's cost materially.
What is the difference between ISD and cross-charge, and when is each used?
They solve different problems. The Input Service Distributor mechanism distributes credit on third-party input services received at the head office but consumed by branches, such as an audit fee or software licence billed centrally; the ISD passes the credit itself through ISD invoices and GSTR-6, without charging tax again. Cross-charge applies where the head office performs a service for branches using its own resources; here the head office makes an outward supply, issues a tax invoice with tax, and the branch claims ITC. With ISD distribution mandatory for common third-party input services from 1 April 2025, businesses must now run both mechanisms side by side, each for its correct category.
Can one invoice contain items taxed at different GST rates?
Yes, there is no requirement to issue separate invoices per rate. A single tax invoice can carry multiple line items, each with its own HSN code, taxable value, rate and tax amount, and the totals section simply aggregates the tax rate-wise. A hardware store in Thirusulam can bill cement at 18 percent and certain tools at 5 percent on one document. What matters is that each line is classified and taxed correctly, and that mixed baskets are not collapsed into one rate. Be careful with genuine composite supplies, where one principal supply drives a single rate; that is a classification question, not an invoicing one.
How do I file Form PMT-09 to move money between heads in my cash ledger?
Log in and open Services, then Ledgers, then Electronic Cash Ledger, and select File GST PMT-09 for transfer of amount. The screen shows your balance under each major and minor head. Choose the transfer-from head and amount, choose the transfer-to head, add the details to the table, preview and file with DSC or EVC. The transfer reflects in the ledger immediately and an ARN is generated for your records. There is no limit on how often PMT-09 can be filed, and no government fee applies, so it is always the first fix for a wrong-head deposit.
I returned an advance because the deal was cancelled. What document do I issue?
It depends on how far the paperwork went. If you had issued only a receipt voucher and no tax invoice, you issue a refund voucher under Rule 51 when returning the advance, and the tax paid on that advance can be adjusted. If a tax invoice had already been issued, the cancellation is handled through a credit note under Section 34 instead. The refund voucher records the original receipt voucher reference, the amount refunded and the tax involved. Event managers and contractors see cancellations regularly, and using the wrong document between these two is a common reconciliation error.
The GST rate on my product changed. Which rate applies to pending orders and invoices?
Section 14 of the CGST Act decides this by looking at three events: the date of supply, the date of invoice and the date of payment. Broadly, if any two of the three events fall after the rate change, the new rate applies; if two fall before, the old rate applies. So goods delivered in Thirusulam before 22 September 2025 but invoiced and paid for afterwards attract the new rate, while goods delivered and invoiced earlier keep the old rate even if payment came later. Document dates carefully during any transition window, because officers test these invoices in scrutiny.
How is interest calculated on a GST demand or late payment?
Interest runs at 18 percent per annum under Section 50 on tax paid after the due date, computed day-wise from the day following the due date until payment. Following amendments, interest on delayed GSTR-3B liability applies on the portion paid through the electronic cash ledger, and interest on wrongly availed ITC arises where the credit has been both availed and utilised. Interest is payable even where no penalty applies, and it cannot be waived by the officer. Because interest compounds silently over long disputes, paying the admitted tax early through DRC-03, even while contesting the rest, often saves a substantial amount.
Do you provide gst return filing for small businesses and proprietorships in Thirusulam?
Yes. A large share of our clients in Thirusulam 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.
Can I get GSTR-1 & GSTR-3B monthly filing done online without visiting the office?
Yes, the entire process can be handled online. You share scanned documents on WhatsApp or email, we prepare and file everything on the GST portal, and you receive the acknowledgement and filed copies digitally. Businesses in Thirusulam regularly complete monthly returns with us without a single office visit. If a physical verification or personal hearing is required by the department, we guide you through it.
Are there any hidden charges for GSTR-1 & GSTR-3B monthly filing?
No. The fee quoted before we start is the fee you pay. Government fees, portal charges or statutory late fees, where they apply, are separate and disclosed to you in advance with the exact amount. We issue a proper GST invoice for our professional fee. If the scope of work changes — for example, an unexpected notice or additional periods — we tell you the revised fee before doing anything further.
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