Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Porur · PIN 600116

Local GSTR-1 & GSTR-3B Monthly Filing Support near Kaveri Nagar, Porur

Trusted GSTR-1 & GSTR-3B Monthly Filing support for Porur, priced from Rs.749 with no hidden additions. Send documents from your phone, approve the prepared draft, and we handle the portal — including the difficult due-date evenings when it slows down.

We serve businesses on and around Kaveri Nagar — document pickup, in-person consultation at our Porur office, or fully online over WhatsApp.

  • 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 Kaveri Nagar, Porur
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
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Local Expertise

Trade Profile and GST Jurisdiction for Kaveri Nagar, Porur

Choosing GSTR-1 & GSTR-3B Monthly Filing in Porur is ultimately an act of trust: you are handing over sales figures, purchase records and portal access. Porur commands the junction of Mount Poonamallee Road and Arcot Road, the gateway to Chennai's western IT corridor, with the Sri Ramachandra medical campus, IT offices, construction firms and logistics yards nearby. IT and ITES exporters need LUT filings under RFD-11 each financial year and refunds through RFD-01, while contractors face Section 17(5) credit blocks and site-to-site e-way bills. We earn that trust the unglamorous way — fixed fees honoured, drafts approved by you before filing, acknowledgements shared the same day, and strict confidentiality throughout. Clients across Porur, Valasaravakkam and Ramapuram have stayed with us for years on precisely this basis.

GST jurisdiction for Porur (PIN 600116): businesses here generally fall under the CGST Chennai South Commissionerate. We regularly represent clients from Porur 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 Hospitals and Clinics in Porur
Healthcare services by clinical establishments and doctors are exempt, but a clinic in Porur rarely earns exempt income alone. Pharmacy sales to outpatients, implants billed separately, and cosmetic or aesthetic procedures undertaken for appearance rather than treatment are all taxable, and room charges above Rs.5,000 per day for non-ICU rooms attract 5 percent without credit. Exempt receipts still count towards aggregate turnover, so a hospital with a busy pharmacy can need registration despite mostly exempt revenue. A specialist separates the taxable streams, applies Rule 42 reversals on common expenses like housekeeping and equipment maintenance, and keeps the exemption for core treatment intact.
GSTR-1 & GSTR-3B Monthly Filing in Porur is priced from Rs.749 and includes document verification, reconciliation with portal data, senior review, filing and a complete acknowledgement set archived for your records.
Why Us

Why Kaveri Nagar, Porur Businesses Choose ChennaiGST

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

Support Through Audits and Hearings

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.

No Handing Off to Untrained Juniors

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.

Cancelled GSTIN? We Handle Revocation Too

A registration cancelled for non-filing is not the end of the road. We bring the pending returns up to date, clear the dues and file the revocation application in REG-21 within the permitted window, restoring suspended and cancelled GSTINs to active status.

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.

Complete Documentation, Properly Archived

Every acknowledgement, challan, computation sheet and filed return is saved and shared with you in an organised folder. When a bank, buyer or GST officer asks for a document from two years ago, it reaches you the same day without any scrambling.

Transparent, Fixed Fees Quoted Upfront

You are told the full fee before we begin, in writing. No surprise additions for uploads, revisions or acknowledgements. Government fees and taxes, where applicable, are shown separately, so businesses in Porur always know exactly what the engagement costs them.

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 Porur

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

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Outcomes

What You Get

Practical outcomes our clients measure us by.

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.

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.

Credit Notes That Actually Reduce Your Tax

Sales returns, discounts and price revisions are adjusted through properly reported credit notes within the statutory window, so you never keep paying tax on turnover you have already reversed.

Advances Treated Correctly

Advances received for services attract GST on receipt while advances for goods generally do not; applying this distinction correctly means you neither prepay tax unnecessarily nor omit a liability that surfaces later with interest.

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.

No Interest Outflows at 18 Percent

Interest on delayed GST payment runs at 18 percent per annum, which is costlier than most working capital finance. Timely computation and payment through our calendar keeps that meter permanently at zero.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
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.
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.
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.
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.
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.
Case Law & Notifications

What the Department and the Courts Have Said — relevant to Porur businesses

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

Case Law

Bona fide errors in GSTR-1 may be corrected even after the deadline

Star Engineers (India) (P) Ltd v. Union of India — Bombay High Court, Writ Petition No. 15368 of 2023, judgment dated 14 December 2023 · 2023-12-14

The company made bona fide clerical errors in its GSTR-1 which prevented its customer from taking credit, and the portal would not permit correction after the statutory deadline had passed. The High Court held that GST is a technology-driven regime intended to be taxpayer-friendly, that a genuine error causing no loss of revenue ought to be permitted to be corrected, and directed the authorities to allow rectification of the returns for the relevant period.

What to do about it: Where a GSTR-1 error is blocking your customer's credit, a rectification request supported by this judgment is worth making even after the statutory deadline.

Notification

Ordinary road transport of goods is exempt unless a GTA or courier is involved

Entry 18, Notification No. 12/2017-Central Tax (Rate) dated 28.06.2017 · 2017-06-28

Entry 18 exempts transportation of goods by road and by inland waterways, but carves out two categories: a goods transport agency and a courier agency. The practical effect is that a truck owner who simply carries goods without issuing a consignment note supplies an exempt service, while a transporter who issues a consignment note becomes a goods transport agency and his service is taxable, usually in the hands of the recipient under reverse charge. The consignment note is therefore the dividing line between exemption and taxability.

What it means for you: Before paying reverse charge on a Chennai freight bill, check whether the transporter actually issued a consignment note, because a plain lorry hire without one is exempt.

Portal Advisory

Reverse ITC by 30 November where the supplier did not file GSTR-3B

GSTN Advisory dated 14 November 2023 — input tax credit reversal under Rule 37A of the CGST Rules for FY 2022-23 · 2023-11-14

Rule 37A requires a buyer to reverse input tax credit where the supplier reported the invoice in GSTR-1 but did not file the GSTR-3B for that tax period by 30 September following the end of the financial year. The reversal must be made in the GSTR-3B filed on or before 30 November. GSTN made supplier-wise details of such invoices available on the portal and advised taxpayers to complete the reversal for FY 2022-23 by 30 November 2023. The credit can be reclaimed once the supplier files the pending return.

What it means for you: Run a supplier compliance check every October, because credit from a defaulting supplier must be reversed by 30 November or carries interest.

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.

Which GST office handles Porur businesses?
Businesses in Porur (PIN 600116) generally fall under the CGST Chennai South Commissionerate, with state-jurisdiction cases handled by the Tamil Nadu Commercial Taxes Department. Your exact division and range can be confirmed from your GSTIN on the GST portal. We regularly appear before this jurisdiction for registrations, clarifications and hearings, so we know the local practice and documentation preferences.
What documents are required for GSTR-1 & GSTR-3B monthly filing in Porur?
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 exactly do I pay RCM in my return and claim it back as credit?
Report the taxable value and tax in Table 3.1(d) of GSTR-3B; this liability must be discharged in cash through the electronic cash ledger, because input tax credit cannot be used to pay reverse charge dues. In the same return, claim the amount as ITC in Table 4(A)(2) or 4(A)(3), so the net impact is usually nil. RCM invoices from registered suppliers like GTAs appear in GSTR-2B, but credit for unregistered-supplier RCM rests on your self-invoice, and Circular 211/5/2024 confirms the Section 16(4) deadline runs from the year of that self-invoice. Businesses in Porur that skip the 3.1(d) reporting but claim the credit invite automatic mismatch flags.
My SaaS startup in Porur 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 Porur 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.
What is the difference between CPIN and CIN, and how long is a GST challan valid?
When you generate a challan in Form PMT-06 on the portal, the system issues a fourteen-digit Common Portal Identification Number, the CPIN, which identifies the unpaid challan and remains valid for fifteen days. Once the bank receives your payment, a seventeen-digit Challan Identification Number, the CIN, is generated, comprising the CPIN plus the bank code, and the amount credits your electronic cash ledger. If a challan expires unpaid, simply generate a fresh one; no consequence follows. Payment modes include net banking, UPI, cards, NEFT or RTGS, and over-the-counter deposit up to Rs.10,000 per challan per tax period.
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.
Our Porur factory hires lorries through a transport agency. Who pays the GST?
Under the reverse charge entry, when a GTA that has not opted for forward charge provides service to specified recipients, the recipient pays the 5 percent tax. Specified recipients include factories, registered persons, body corporates, partnership firms including AOPs, co-operative societies and casual taxable persons. Your factory therefore pays 5 percent in cash through GSTR-3B, reports it in the reverse charge tables, and claims the same amount as input tax credit since freight is a business expense. Confirm from the transporter's invoice or declaration whether it has opted for forward charge, because paying RCM on an FCM invoice creates double taxation. Call +91 - 9600 606 444 if your freight entries need a review.
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.
I make both taxable and exempt supplies. How is the Rule 42 credit reversal actually computed?
Rule 42 first removes credit exclusively for exempt supplies and non-business use, and credit exclusively for taxable supplies, leaving the common credit. From this common pool, you reverse the portion equal to exempt turnover divided by total turnover for the month, plus a flat five percent of the common credit where inputs are partly used for non-business purposes. The reversal is declared monthly in GSTR-3B, and a final recomputation for the whole year must be done, with any shortfall paid with interest, by the November return following the financial year. Traders in Porur dealing in items like unbranded foods alongside taxable goods need this working every month.
I paid my supplier only part of the invoice within 180 days. How much ITC do I reverse?
The reversal is proportionate. If you paid sixty percent of the invoice value including tax within 180 days, you reverse only the ITC attributable to the unpaid forty percent, reporting it in Table 4(B)(2) of the GSTR-3B for the tax period immediately following the expiry of the 180 days. Amounts settled through book adjustments, such as netting off mutual dues or debit notes for quality deductions reducing the payable, have been accepted as payment in advance rulings, so a properly documented ledger adjustment protects the credit. Retention money held under contract terms is the most common trigger we see in Porur construction and job-work businesses.
My company in Porur is dormant. Is there a cheap way to stay GST compliant?
Yes. A dormant GSTIN still requires nil GSTR-1 and nil GSTR-3B every period, and nil GSTR-9 obligations may also arise depending on turnover. Our dormant-entity plan at Rs.749 per month covers both nil returns, due-date tracking and portal monitoring so notices do not go unnoticed. If you have no intention of restarting the business, it may be cheaper to surrender the registration through a cancellation application and file the final return, which we can also handle. Speak to us on +91 - 9600 606 444 and we will recommend whichever route costs you less.
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.
What is the difference between a GST credit note and a commercial credit note?
A GST credit note is issued under Section 34, is reported in GSTR-1, and reduces your output tax, with the buyer reversing equivalent input credit. A commercial or financial credit note adjusts only the money owed between the parties; it carries no GST, is not reported in returns, and leaves everyone's tax position untouched. Businesses use commercial credit notes when the 30 November deadline has passed, or for post-supply discounts that do not satisfy the statutory conditions for a tax adjustment. Choosing the wrong instrument is a frequent audit finding, so decide the type before the note is issued.
How do I register my DSC on the GST portal, and why does the emSigner error keep appearing?
After logging in, open My Profile and select Register or Update DSC, choose the authorised signatory's PAN, and sign with the USB token; the certificate must be Class 3 and the PAN on it must match the signatory's PAN on the portal. Signing requires the emSigner utility running in the background, and the common failure to establish connection error means emSigner is not started, is blocked by the browser, or another application occupies its port. Run emSigner as administrator, keep the token connected, and use the trusted-site settings the portal recommends. We troubleshoot DSC issues for Porur companies routinely; call +91 - 9600 606 444.
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 is the GST treatment for an event management company handling corporate events?
Event management services attract 18 percent with full input tax credit. Place of supply rules deserve attention: for organising an event for a registered client, the place of supply is the client's location, so a Chennai company organising a Goa offsite for a Bengaluru-registered client charges IGST to Karnataka. For unregistered clients, the place of supply is where the event is actually held. Admission tickets are taxed where the event takes place. Getting the state wrong means the client's credit is jeopardised and the tax may need repayment under the correct head, so event companies serving multi-state clients should map each contract before invoicing.
What details must a GST tax invoice compulsorily contain?
Rule 46 of the CGST Rules prescribes the mandatory contents: your name, address and GSTIN; a consecutive serial number not exceeding sixteen characters, unique for the financial year; the date of issue; the recipient's name, address and GSTIN if registered; the HSN or SAC code; description, quantity and unit; total and taxable value; any discount; the rate and amount of CGST, SGST or IGST shown separately; place of supply with the state name for inter-state supplies; a declaration where tax is payable on reverse charge; and signature or digital signature of the supplier. Missing fields make the invoice defective and can jeopardise your buyer's credit.
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.
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.
Is there a GST consultant near Porur for gst return filing?
Yes. We serve Porur 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 Porur and you are welcome to visit our office. Reach us on +91 - 9600 606 444 between 9 AM and 8 PM, Monday to Saturday.
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 Porur 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.
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