Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Thirumangalam · PIN 600040

GSTR-1 & GSTR-3B Monthly Filing near 19th Main Road, Thirumangalam, Chennai

The 11th and the 20th arrive every month whether you are ready or not. Our Chennai team keeps businesses in Thirumangalam permanently ahead of both, delivering GSTR-1 & GSTR-3B Monthly Filing from Rs.749 with reconciliation, senior review and WhatsApp acknowledgements as standard.

We serve businesses on and around 19th Main Road — 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 19th Main Road, Thirumangalam
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 19th Main Road, Thirumangalam

Every locality in Chennai has its own commercial rhythm, and Thirumangalam is no exception. Thirumangalam junction, where Jawaharlal Nehru Salai meets Anna Nagar 2nd Avenue beside the metro station and VR Chennai mall, has become a showroom strip for jewellery, textiles, furniture and electronics chains spilling into Anna Nagar West Extension. High-volume B2C billing with occasional B2B orders makes correct GSTR-1 bifurcation and e-invoice applicability checks the daily compliance concern for retailers here. Our practice has shaped its GSTR-1 & GSTR-3B Monthly Filing work around exactly these realities, serving clients in Thirumangalam as well as Anna Nagar and Mogappair. Registrations, returns, refunds and notice replies are handled by one accountable team, with fees fixed in writing before work begins and every filing reconciled against portal data before it is submitted.

GST jurisdiction for Thirumangalam (PIN 600040): businesses here generally fall under the CGST Chennai North Commissionerate. We regularly represent clients from Thirumangalam 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 IT and SaaS Companies in Thirumangalam
IT and SaaS services are taxed at 18 percent domestically, but the real complexity is qualifying overseas billing as export under Section 2(6) of the IGST Act: the recipient must be outside India, consideration must arrive in convertible foreign exchange or INR where RBI permits, and the Indian entity and foreign recipient must not be mere establishments of the same person. Marketing or support arms serving a foreign parent risk classification as intermediaries under Section 13(8), making the place of supply India and the income taxable. Supplies to SEZ units are zero-rated with proper endorsements. A specialist structures contracts and invoicing so export status survives departmental scrutiny.
GSTR-1 & GSTR-3B Monthly Filing in Thirumangalam 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 19th Main Road, Thirumangalam Businesses Choose ChennaiGST

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

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.

QRMP Managed Properly, Not Just Opted Into

Quarterly filing still demands monthly attention — IFF uploads so your buyers see their credit on time, and tax payment through PMT-06 by the 25th for the first two months of each quarter. We run that monthly rhythm so QRMP saves you effort without creating gaps.

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 Thirumangalam regularly visit us for registrations, notice discussions and annual return reviews.

GSTR-9 and GSTR-9C Handled In-House

The annual return and, where turnover crosses Rs.5 crore, the self-certified reconciliation statement in GSTR-9C are prepared by the same team that filed your monthly returns. Nothing about your year has to be rediscovered or explained to a stranger in December.

Reverse Charge Tracked, Not Forgotten

Freight paid to transporters, advocate fees, imported services and other notified supplies attract GST under reverse charge, with self-invoicing where the supplier is unregistered. We maintain a running RCM check every period, because this is the liability self-filers most consistently miss.

Experience Across Trades and Sectors

Traders, manufacturers, contractors, e-commerce sellers, professionals and service exporters — we have handled GST for all of them. Whatever mix of goods and services your Thirumangalam business supplies, the rate, classification and place-of-supply questions have almost certainly crossed our desk before.

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 Thirumangalam

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.

TDS and TCS Credits Converted to Cash

Amounts deducted by government buyers as GST TDS and by marketplaces as TCS are accepted on the portal each period, so money withheld against your GSTIN actually reaches your cash ledger instead of lying unclaimed.

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.

Due-Diligence Ready for Investors and Buyers

Funding rounds, partnerships and business sales all begin with a compliance check. A clean, documented GST history lets you clear that scrutiny quickly instead of watching a deal stall over old filing gaps.

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.

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.

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.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
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.
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.
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.
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.
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.
On This Street

GST Support on 19th Main Road, Thirumangalam

19th Main Road is a residential street in Thirumangalam, about 850 m north-east of the centre of Thirumangalam. The same consultant covers the streets immediately around it — Thirumangalam Road (about 150 m); 18th Main Road (about 250 m); 10th Street (about 350 m); 18th Street (about 400 m) — so a site visit on 19th Main Road can usually be combined with other work in Thirumangalam on the same trip. For GST purposes an address on 19th Main Road falls under the Chennai North CGST Commissionerate, and the Thirumangalam pincode is 600040.

Road classification and position from OpenStreetMap; distances are straight-line and approximate. Jurisdiction must be confirmed on your own registration certificate.

GST Law Desk

Recent GST Law You Should Know — relevant to Thirumangalam businesses

Real notifications, rulings and case law our consultants track — and apply to client filings and notice replies.

Case Law

Supreme Court upholds GST on lotteries and actionable claims as constitutional

Skill Lotto Solutions (P) Ltd v. Union of India — Supreme Court, 2020 · 2020-12-03

The Supreme Court upheld the levy of GST on lotteries, holding that the inclusion of actionable claims such as lottery, betting and gambling within the definition of 'goods' under Section 2(52) CGST Act is constitutionally valid and not discriminatory. It further held that GST is payable on the face value of lottery tickets, including the prize money component, rejecting the argument that prize money should be excluded from the taxable value.

What to do about it: The ruling confirms Parliament's wide power to tax actionable claims under GST — businesses in gaming, contests and promotional schemes should price for GST on gross face value.

GST Council

Council clears entire pending GST compensation dues to states

49th GST Council Meeting, New Delhi — 18 February 2023 · 2023-02-18

The 49th GST Council meeting decided to clear the entire balance of GST compensation dues to states, with the Centre releasing Rs 16,982 crore for June 2022 from its own resources pending cess collections. The Council also approved release of admissible final compensation to states that had furnished revenue figures certified by their Accountant General. This closed the five-year compensation window promised to states at the launch of GST, while cess collections continued to service the back-to-back loans taken during COVID.

What it means for you: Compensation cess on items like aerated drinks, coal and motor vehicles continued to apply to fund loan repayment, so businesses dealing in cess goods had to keep charging it.

Notification

Hotel room rates linked to actual transaction value from 1 October 2019

Notification No. 20/2019-Central Tax (Rate) dated 30.09.2019 · 2019-09-30

This notification replaced the old declared tariff test for accommodation with the value of supply actually charged. From 1 October 2019 accommodation up to one thousand rupees per unit per day was exempt, above that and up to seven thousand five hundred rupees attracted 12 per cent, and above seven thousand five hundred rupees attracted 18 per cent. It also reduced outdoor catering at premises other than specified premises to 5 per cent without credit and rationalised several job work entries.

What it means for you: Chennai hotels and lodges must apply the rate to the amount actually billed after discount, not to the rack rate printed at the reception.

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 Thirumangalam for gst return filing?
Yes. We serve Thirumangalam 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 Thirumangalam and you are welcome to visit our office. Reach us on +91 - 9600 606 444 between 9 AM and 8 PM, Monday to Saturday.
How long does GSTR-1 & GSTR-3B monthly filing take in Thirumangalam?
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.
What is a B2C large invoice and what is the current threshold?
A B2C large invoice is an inter-state supply to an unregistered person exceeding the notified value threshold, which was reduced from Rs.2.5 lakh to Rs.1 lakh. Such invoices must be reported individually in Table 5 of GSTR-1 with the place of supply, instead of being merged into the consolidated B2C summary. The rule helps states track high-value consumer sales flowing across borders. If your Thirumangalam showroom occasionally bills an unregistered customer from another state above Rs.1 lakh, your billing and returns process must flag it for invoice-wise reporting, or GSTR-1 validations and later scrutiny will surface the gap.
I made a mistake in GSTR-3B. Can I revise it?
No, GSTR-3B cannot be revised once filed. The GST law allows corrections only through adjustments in the returns of subsequent tax periods. If you under-reported tax, pay the difference with 18 percent interest in the next GSTR-3B or through Form DRC-03. If you over-reported, adjust it in a later month within the time limits allowed. Errors in GSTR-1 can be amended in the following period's return. Because corrections have deadlines, it is best to have the error reviewed quickly; our team in Thirumangalam can assess it the same day.
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 Thirumangalam never overpay or underpay.
The portal auto-filled an interest amount in my GSTR-3B. Can I edit or dispute it?
The portal computes interest on delayed filings under Rule 88B and auto-populates it in Table 5.1 of the next period's GSTR-3B, with a break-up shown period-wise. The system value is based on your cash ledger debits and the days of delay, and while the field permits upward revision, reducing the system-computed figure will flag the return. If you believe the computation is wrong, for instance because a liability related to an earlier period was declared with correct interest already paid through DRC-03, pay what is correct and keep the working; the department can be satisfied later with the reconciliation. We verify these auto-computations for clients before every filing.
How much does GST return filing cost near me in Thirumangalam?
Our monthly GST return filing package for businesses in Thirumangalam starts at Rs.749, which covers GSTR-1 and GSTR-3B preparation, GSTR-2B reconciliation for input tax credit, tax computation and filing reminders. There are no hidden charges; government late fees, if any, are separate and payable on the portal. Pricing depends on invoice volume, so a trader with high invoice counts may be quoted differently from a small service provider. Call +91 - 9600 606 444 for an exact quote for your business, and ChennaiGST will confirm the fee in writing before you commit.
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 Thirumangalam commonly pay agencies' forward-charge invoices while also missing their own RCM cases, so an annual review of security and manpower bills is worthwhile.
Why is my nil return SMS to 14409 not working?
SMS filing fails for a few common reasons. The message must come from the exact mobile number registered against an authorised signatory on the GST portal, the format must match precisely with single spaces, and all returns for earlier periods must already be filed since GST returns are sequential. It also fails if the return is not truly nil, for instance if an amendment or credit note is pending to be reported. If one number is registered for multiple GSTINs, each needs its own SMS. We can diagnose the exact reason and file it online instead.
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 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 Thirumangalam with seasonal businesses use this facility during off months, with our team verifying the status afterwards.
What are the current GST rate slabs after the GST 2.0 changes?
From 22 September 2025, following the 56th GST Council meeting, India moved to a simplified two-slab structure: a merit rate of 5 percent and a standard rate of 18 percent. The earlier 12 percent and 28 percent slabs were abolished. A special 40 percent rate applies to a short list of luxury and demerit goods, while the concessional rates of 3 percent on gold and silver and 0.25 percent on rough diamonds continue. Businesses in Thirumangalam should re-verify the rate on every product they sell, because hundreds of items changed slabs on that date.
I am a composition dealer. Which returns apply to me and when?
Composition taxpayers do not file GSTR-1 or GSTR-3B. Instead, you pay tax every quarter through statement CMP-08, due by the 18th of the month following the quarter, and file one annual return, GSTR-4, by 30 June following the financial year. The scheme is available for turnover up to Rs.1.5 crore for goods, with a separate 6 percent scheme for service providers up to Rs.50 lakh. Missing CMP-08 for consecutive quarters can block your e-way bill facility. Our composition package covers all four CMP-08 filings and the annual GSTR-4 at Rs.749 per year.
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 Thirumangalam should be papered before the season starts, not after.
How do I round off tax amounts on a GST invoice?
Section 170 of the CGST Act prescribes normal rounding to the nearest rupee: where the tax contains a part of a rupee, fifty paise or more is rounded up to one rupee, and less than fifty paise is ignored. The rounding is applied to the tax amount on each invoice, separately for each tax head, so CGST and SGST are each rounded individually rather than rounding only the invoice total. Most billing software handles this automatically, but spreadsheets and manual bills often round the grand total instead, creating one-rupee mismatches that clutter reconciliations across thousands of invoices.
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.
What GST do hotels charge on room tariffs after the 2025 rate changes?
From 22 September 2025, hotel accommodation with a value of supply up to Rs.7,500 per unit per day attracts 5 percent GST without input tax credit, and accommodation above Rs.7,500 attracts 18 percent with input tax credit. The earlier 12 percent slab for mid-range rooms was abolished in the rate rationalisation. Tax applies on the actual transaction value charged, so a discounted rate below Rs.7,500 falls in the 5 percent bracket even if the printed tariff is higher. Hotels should reconfigure billing software slab-wise and watch the ITC restriction on the 5 percent category, which changes costing materially.
Something is malfunctioning on the GST portal. How do I raise a formal grievance ticket?
Use the GST Self-Service Grievance Redressal Portal at selfservice.gstsystem.in. Select Report Issue, type a keyword describing the problem, and the system suggests the matching category along with FAQs; if those do not resolve it, proceed to raise the ticket by entering your GSTIN or ARN, contact details and a description, and attach screenshots of the error. A ticket reference number is issued instantly by email and SMS. Raising a ticket also creates a record that the failure was on the system side, which helps later if a deadline was missed because of a portal outage. Our Thirumangalam office logs tickets for clients as part of retainer support.
Do you provide GSTR-1 & GSTR-3B monthly filing for businesses on 19th Main Road?
Yes. We serve businesses on and around 19th Main Road in Thirumangalam — 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.
What is the process for GSTR-1 & GSTR-3B monthly filing?
The process runs in clear stages: Monthly data collection; GSTR-1 preparation and filing; ITC reconciliation with GSTR-2B; Tax computation and confirmation. A senior consultant reviews your file at each stage rather than passing it to a data-entry desk, and you receive a confirmation with the filed documents once it is complete. You always know which stage your work is at — we update you on WhatsApp instead of leaving you to follow up.
What documents are required for GSTR-1 & GSTR-3B monthly filing in Thirumangalam?
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.
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