Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Koyambedu · PIN 600107

GSTR-1 & GSTR-3B Monthly Filing on Sakthi Nagar, Koyambedu

Get GSTR-1 & GSTR-3B Monthly Filing done right in Koyambedu without portal struggles or missed deadlines. Our Chennai-based consultants manage the entire process from Rs.749, with same-day responses and every submission checked by a senior practitioner before it is filed.

We serve businesses on and around Sakthi 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 Sakthi Nagar, Koyambedu
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 Sakthi Nagar, Koyambedu

Finding dependable GSTR-1 & GSTR-3B Monthly Filing in Koyambedu usually means choosing between a distant online portal and an overloaded local accountant. Koyambedu hosts one of Asia's largest perishables markets, the Koyambedu Wholesale Market Complex, and the CMBT bus terminus, driving trade by vegetable and fruit wholesalers, flower merchants, commission agents and transporters. Fresh produce is largely exempt while packaged and labelled goods are taxable, so mixed supplies, commission income, GTA reverse charge and e-way bills for outstation consignments dominate compliance here. We offer a third option: a professional Chennai GST practice that treats Koyambedu, Arumbakkam and Anna Nagar as home ground, responds the same working day, files ahead of deadlines, and stands behind its work if a notice ever arrives on a return we prepared.

GST jurisdiction for Koyambedu (PIN 600107): businesses here generally fall under the CGST Chennai North Commissionerate. We regularly represent clients from Koyambedu 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 Support for Wholesale Traders in Koyambedu
Wholesale trade runs on thin margins and heavy invoice volumes, so small GST errors multiply quickly. Once taxable supplies cross Rs.50 lakh in a month, Rule 86B requires at least one percent of output tax to be paid in cash regardless of credit balance, and quantity or turnover discounts must be passed through credit notes that satisfy Section 15(3)(b) to legally reduce taxable value. A specialist keeps your invoice-wise B2B reporting clean so retailer customers receive credit without friction, watches the Rs.5 crore e-invoicing threshold as volumes grow, and documents discount schemes in agreements the department will accept. Wholesalers in Koyambedu can call +91 - 9600 606 444 for a margin-safe compliance review.
Yes, GSTR-1 & GSTR-3B Monthly Filing in Koyambedu can be completed fully online — no office visit is required at any stage, since e-signatures, OTP verification and digital document exchange cover the entire formality, with fees from Rs.749.
Why Us

Why Sakthi Nagar, Koyambedu Businesses Choose ChennaiGST

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

One Dedicated Point of Contact

You deal with one accountable person who knows your business, your turnover pattern and your filing history. No repeating your story to a new voice every month, and no file falling between two desks when a deadline is approaching.

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 Koyambedu through each of these so month one starts correctly.

We Work with Your Existing Software

Tally, Zoho Books, Busy, marketplace reports, plain Excel or even a handwritten bill book — we take your data in whatever form your Koyambedu business already maintains it. You are never forced to buy new software or retrain staff just to become our client.

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 Koyambedu always know exactly what the engagement costs them.

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.

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.

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 Koyambedu

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.

Fewer Departmental Notices

Consistent, reconciled returns give the department's matching systems nothing to flag. Clients who move to us after years of self-filing typically see scrutiny queries and mismatch notices fall away within a few filing cycles.

Notices Answered Within the Time Limit

Statutory windows such as thirty days for an ASMT-11 reply are tracked from the day a notice arrives, so responses go in on time, complete, and with your best case properly presented.

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.

Clarity on What You Actually Owe

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.

A Clean GSTIN That Stays Active

Continuous filing protects you from the suspension and cancellation proceedings that hit chronic non-filers, so your registration, e-way bill access and ability to issue tax invoices are never suddenly cut off.

Annual Returns Without the Year-End Scramble

Because monthly data is reconciled as it happens, GSTR-9 preparation before the 31 December due date becomes a review exercise rather than a painful reconstruction of twelve untidy months.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
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.
Keeping up with changesRate 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.
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.
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.
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.
Time costRoughly 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.
Legal Position

The Current Law on This Service — relevant to Koyambedu businesses

Positions we rely on when preparing filings and drafting replies — with the exact citation, so you can verify each one.

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.

GST Council

Interest on delayed GST payment to be charged on net cash liability, retrospectively from 1 July 2017

39th GST Council Meeting, New Delhi — 14 March 2020 · 2020-03-14

Following widespread demands computing interest on the gross tax liability of a late GSTR-3B, ignoring the credit balance available, the Council recommended that interest under Section 50 be charged only on the net cash tax liability, with retrospective effect from 1 July 2017. This was given effect through the proviso to Section 50(1) inserted by the Finance Act, 2021 and notified retrospectively, and it neutralised thousands of interest demands raised on gross turnover across the country.

What to do about it: If you have received an interest demand computed on gross output tax for a late return, the net cash liability principle from this meeting is usually a complete answer.

Notification

Due date relief for Chennai districts after the December 2023 floods

Notification No. 55/2023-Central Tax · 2023-12-20

After Cyclone Michaung caused severe flooding in and around Chennai, CBIC extended the due date for furnishing Form GSTR-3B for the tax period November 2023 to 27 December 2023 for registered persons whose principal place of business falls in the districts of Chennai, Tiruvallur, Chengalpattu and Kancheepuram in Tamil Nadu. The relief applied automatically by district and no separate application was required from affected taxpayers.

What to do about it: In a declared local disaster, CBIC does grant district-specific extensions for Chennai, so check for a notification before paying late fee on a delayed return.

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.

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 Koyambedu 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.
My SaaS startup in Koyambedu 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 Koyambedu 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.
My medical shop also sells supplements, cosmetics and baby products. Do they all take the medicine rate?
No, and this is where pharmacies slip. Only items answering the description of drugs and medicaments take 5% or nil. Nutraceuticals and protein supplements generally attract 18%, beauty and makeup preparations 18%, while daily-use items such as soaps, shampoos and toothpaste came down to 5% in September 2025. Each product must be mapped to its own HSN code and rate in your billing software, and your GSTR-1 HSN summary must reflect that mix. A single wrong default rate applied across the counter creates either short payment or overcharging. ChennaiGST runs product-master audits for pharmacies in Koyambedu; call +91 - 9600 606 444 to schedule one.
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 Koyambedu 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 is the due date for GSTR-3B in Tamil Nadu?
For monthly filers, GSTR-3B is due on the 20th of the following month. If you are registered in Tamil Nadu and have opted for the QRMP scheme, your quarterly GSTR-3B is due on the 22nd of the month following the quarter. GSTR-3B is the summary return through which you actually pay tax, so missing it attracts a late fee of Rs.50 per day (Rs.20 for nil returns) plus interest at 18 percent per annum on tax paid late.
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 Koyambedu that skip the 3.1(d) reporting but claim the credit invite automatic mismatch flags.
Is there a late fee for filing GSTR-1 after the 11th?
Yes. Late fee for GSTR-1 is Rs.50 per day of delay, and Rs.20 per day where there are no outward supplies, subject to caps linked to your turnover. Although the portal historically collected GSTR-1 late fees through the next GSTR-3B, the liability arises the moment the due date passes. Delayed GSTR-1 also hurts your customers, because your invoices miss their GSTR-2B and their input tax credit gets deferred, which can strain business relationships. Filing by the 11th every month avoids both the cost and the friction.
What is IFF in the QRMP scheme?
The Invoice Furnishing Facility (IFF) is an optional facility for QRMP taxpayers to upload B2B invoices for the first two months of a quarter, by the 13th of the following month, up to Rs.50 lakh of invoice value per month. Invoices uploaded through IFF appear in your buyers' GSTR-2B immediately, so they can claim input tax credit without waiting for your quarterly GSTR-1. If your customers are registered businesses that press for timely credit, using IFF keeps them happy. We file IFF for QRMP clients in Koyambedu as part of the standard package.
Who has to file the GSTR-9 annual return?
GSTR-9 is the annual return for regular taxpayers, consolidating the outward supplies, input tax credit and tax paid reported through the year's GSTR-1 and GSTR-3B filings. As per CBIC notifications, filing is optional for taxpayers with aggregate turnover up to Rs.2 crore for the relevant financial year, and mandatory above that. Composition taxpayers file GSTR-4 instead, and e-commerce operators collecting TCS under Section 52 file GSTR-9B. Even where optional, filing GSTR-9 is often advisable because it locks your annual position before any departmental scrutiny. We prepare GSTR-9 for businesses across Koyambedu every year.
How do I pay tax monthly under QRMP if the return is only quarterly?
For the first two months of each quarter, tax is deposited through challan PMT-06 by the 25th of the following month. You can use the fixed sum method, paying 35 percent of the tax paid in cash in the previous quarter (or 100 percent of the tax paid in cash in the last month of the previous quarter if you were a monthly filer), or the self-assessment method, paying actual liability after adjusting input tax credit. The third month's tax is settled in the quarterly GSTR-3B itself. We compute the safer option for each client in Koyambedu every month.
How do I track the status of a grievance ticket or any ARN I have on the GST portal?
For grievance tickets, open selfservice.gstsystem.in and use Check Status by entering the ticket reference number; the screen shows whether it is open, under processing or resolved, with the resolution comments. For applications filed on the main portal, log in and use Services, then Track Application Status, choosing the module and entering the ARN, or open My Applications to see every application with its case detail folder, notices and replies in one place. Diarise every ARN the day it is generated, because reply windows run from portal timestamps. ChennaiGST maintains an ARN tracker for every client engagement.
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.
Can you give me a simple GST due-date calendar for my business?
For monthly filers: GSTR-1 by the 11th and GSTR-3B by the 20th of the next month. Under QRMP: optional IFF by the 13th of the next month, PMT-06 payment by the 25th, quarterly GSTR-1 by the 13th and GSTR-3B by the 22nd (Tamil Nadu) after the quarter. Composition dealers pay via CMP-08 by the 18th after each quarter and file GSTR-4 annually by 30 June. GSTR-7 and GSTR-8 are due on the 10th, and GSTR-9 and GSTR-9C by 31 December. Clients in Koyambedu receive our reminder messages before every date.
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 Koyambedu 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.
What is the place of supply for freight and courier charges on goods?
For transportation of goods, including by courier, Section 12(8) fixes the place of supply as the location of the recipient where the recipient is registered. Where the recipient is unregistered, it is the location where the goods are handed over for transportation. So a registered Koyambedu manufacturer paying a transporter for a Chennai-to-Delhi movement has Tamil Nadu as the place of supply, and the RCM liability is paid as CGST plus SGST if the transporter is also in Tamil Nadu. This rule matters chiefly for paying reverse charge on GTA freight under the correct heads, because paying IGST where CGST and SGST were due creates a refund-and-repay exercise later.
What GST rate applies to a goods transport agency: 5 percent or 18 percent?
Both exist, depending on the option exercised. The default position is 5 percent payable by the specified recipient under reverse charge, with no input tax credit to the GTA. Alternatively, a GTA may opt to pay tax itself under forward charge, either at 5 percent without input tax credit or at the higher rate with full credit, which was revised from 12 percent to 18 percent with effect from 22 September 2025. The with-credit option suits transporters with large spends on vehicles and tyres. Once the forward charge option is exercised for a year, it applies to all consignments of that year.
How much time do I get to raise an invoice for services?
A tax invoice for services must be issued within thirty days from the date of supply of the service. For banks, insurers, financial institutions and NBFCs, the limit is forty-five days. Where services are supplied continuously, the invoice follows the contract: if the due date of payment is ascertainable, invoice on or before that date; if not, invoice when payment is received; and if payment is linked to completion of an event or milestone, invoice on or before its completion. Consultants and agencies that bill quarterly should check their contracts against these rules, since late invoicing defers nothing legally.
How long does GSTR-1 & GSTR-3B monthly filing take in Koyambedu?
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.
Do you provide gst return filing for small businesses and proprietorships in Koyambedu?
Yes. A large share of our clients in Koyambedu 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.
Do you provide GSTR-1 & GSTR-3B monthly filing for businesses on Sakthi Nagar?
Yes. We serve businesses on and around Sakthi Nagar in Koyambedu — shops, offices, godowns and home-run businesses alike. Document pickup can be arranged at your premises, or you can send everything on WhatsApp and complete monthly returns without leaving your counter. Call +91 - 9600 606 444 and mention your location; a consultant will confirm the fee and timeline immediately.
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