Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Nanmangalam · PIN 600129

GSTR-1 & GSTR-3B Monthly Filing near Samraj Nagar Main Road, Nanmangalam, Chennai

Get GSTR-1 & GSTR-3B Monthly Filing done right in Nanmangalam 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 Samraj Nagar 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 Samraj Nagar Main Road, Nanmangalam
Rs.749/month onwardsProfessional fee
Filed before the 11th and 20th of every monthTypical timeline
20 yearsIn indirect tax practice
30 minCallback time

Get a Free GST Consultation

Share your number — a senior GST consultant calls you back within 30 minutes.

Type this number: ...

100% confidential. No spam. Mon-Sat: 9.00 AM - 8.00 PM

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 Samraj Nagar Main Road, Nanmangalam

Nanmangalam, ringed by the Nanmangalam Reserve Forest and its worked-out quarries, hosts blue-metal crushers, M-sand and ready-mix depots, lorry fleets and building-material yards along Dr. Ambedkar Main Road, Vadakkupattu Road and S.I.V.E.T. College Road towards Medavakkam Koot Road. Reverse charge on mining royalty and seigniorage, and e-way bills for short-haul aggregate lorries, are the recurring disputes here. GST compliance in a market like Nanmangalam rewards consistency — returns that match, credits that reconcile, and records that stand up to scrutiny. Our team provides GSTR-1 & GSTR-3B Monthly Filing to businesses throughout Nanmangalam and nearby Kovilambakkam and Medavakkam on fixed, transparent fees. From the first document checklist to the final acknowledgement on WhatsApp, the process is structured so nothing depends on memory, luck or a due-date-evening scramble.

GST jurisdiction for Nanmangalam (PIN 600129): businesses here generally fall under the CGST Chennai South Commissionerate. We regularly represent clients from Nanmangalam 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 Educational Institutions in Nanmangalam
Education enjoys exemption only within defined walls: institutions providing recognised board or university qualifications are exempt under Entry 66 of Notification 12/2017, along with their transport, catering and examination services to students. Coaching centres, skill academies and training institutes fall outside the entry and pay 18 percent. An organisation running both a recognised school and a commercial coaching wing must segregate the streams, reverse proportionate input credit under Rule 42 on the exempt side, and still count exempt fees within aggregate turnover for registration. A specialist structures the two activities, fee invoicing and credit reversals so the exemption claimed for one stream is never endangered by the other.
The cost of GSTR-1 & GSTR-3B Monthly Filing in Nanmangalam starts at Rs.749 as a fixed professional fee quoted upfront, with any government fees shown separately and no hidden additions later.
Why Us

Why Samraj Nagar Main Road, Nanmangalam Businesses Choose ChennaiGST

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

Clean Exits When a Business Closes

Winding up attracts its own GST obligations — the cancellation application, reversal of credit on closing stock, and the final return in GSTR-10 within three months. We close registrations properly so a business you shut in Nanmangalam never writes back to you as a demand years later.

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.

Notice Support Does Not Stop at Filing

If a query, ASMT-10 scrutiny notice or DRC-01 arrives on a return we filed, we stand behind our work and help you draft the reply. You are not left alone with a departmental letter and a thirty-day clock ticking against you.

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.

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.

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.

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 Nanmangalam

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.

Growth Without Compliance Anxiety

New branches, new product lines and interstate sales all carry GST consequences. With standing professional support, you expand knowing registrations, invoicing and returns will keep pace with the business.

No Money Idling in the Cash Ledger

Excess balances parked in the electronic cash ledger are identified during regular ledger reviews and either utilised against upcoming liability or claimed back as a refund, instead of sitting interest-free with the government.

Every Eligible Rupee of ITC Claimed

Systematic GSTR-2B matching and supplier follow-up mean input tax credit that was leaking away under self-filing is captured each month, directly reducing the cash you pay out with every GSTR-3B.

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.

The Lowest Tax Position the Law Allows

Your scheme choice — regular, composition or QRMP — is re-examined as turnover and margins change, so you are always paying under the structure that legitimately costs your business the least.

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
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.
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.
Supplier defaultsSuppliers who stop uploading invoices are identified within the period and pursued before their default becomes your blocked credit.Missing supplier invoices surface only when credit is denied, by which time recovering the amount from the vendor is difficult.
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.
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.
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.
On This Street

GST Support on Samraj Nagar Main Road, Nanmangalam

Samraj Nagar Main Road is a residential street in Nanmangalam, about 1.8 km south-west of the centre of Nanmangalam. The same consultant covers the streets immediately around it — Gnanaraja Salai (about 100 m); Sembakkam - Hasthinapuram Link Road (about 200 m); Erikarai Road (about 750 m); Guruswamy Nagar Main Road (about 800 m) — so a site visit on Samraj Nagar Main Road can usually be combined with other work in Nanmangalam on the same trip. For GST purposes an address on Samraj Nagar Main Road falls under the Chennai South CGST Commissionerate, and the Nanmangalam pincode is 600129.

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

Legal Position

The Current Law on This Service — relevant to Nanmangalam businesses

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

Case Law

Supreme Court bars customs recovery action during an insolvency moratorium

Sundaresh Bhatt, Liquidator of ABG Shipyard v. Central Board of Indirect Taxes and Customs — Supreme Court, (2023) 1 SCC 472, judgment dated 26-08-2022 · 2022-08-26

The Supreme Court held that once a moratorium is declared under the Insolvency and Bankruptcy Code, the customs authorities can only assess and quantify their dues; they cannot initiate recovery, sell goods or enforce any lien over the debtor's assets. The Code prevails over the Customs Act to this extent. The authorities must submit their claim to the resolution professional or liquidator like any other creditor.

What to do about it: If a Chennai company is under moratorium, indirect tax officers may quantify dues but cannot attach property or auction goods to recover them.

AAR Ruling

Electronic toys attract 18 percent while other toys stay at 12 percent

Navbharat Imports - AAR Tamil Nadu, Advance Ruling No. 35/AAR/2021, dated 30 September 2021 · 2021-09-30

The importer sold a range of children's toys, some containing electronic circuits and some working purely mechanically. It asked for the correct rate on each. The Authority held that toys containing electronic components attract 18 percent under the residual entry for electronic toys, irrespective of how those components are used, so children's scooters and smart tricycles with lights and music are taxed at 18 percent, while toys that work without electronics remain at 12 percent.

What it means for you: Chennai toy traders must classify item by item, because a single electronic component moves a product from 12 to 18 percent.

Portal Advisory

CBIC answers on what counts as pre-packaged and labelled

CBIC Frequently Asked Questions on GST on pre-packaged and labelled goods, dated 17 July 2022 · 2022-07-17

A day before the change took effect, the Tax Research Unit issued FAQs explaining that the expression takes its meaning from the Legal Metrology Act, 2009 and covers commodities intended for retail sale in packs of up to twenty-five kilograms or twenty-five litres that must bear statutory declarations. A single package above that limit is not covered, nor are packs supplied to an industrial or institutional consumer. Loose sale from a large pack by a retailer does not attract the levy.

What it means for you: A fifty-kilogram rice bag sold as one package stays outside the levy, but the moment it is repacked into labelled retail bags of twenty-five kilograms or less, five per cent applies.

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.

Do you provide GSTR-1 & GSTR-3B monthly filing for businesses on Samraj Nagar Main Road?
Yes. We serve businesses on and around Samraj Nagar Main Road in Nanmangalam — 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 documents are required for GSTR-1 & GSTR-3B monthly filing in Nanmangalam?
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.
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 Nanmangalam can assess it the same day.
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 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.
My workshop bills customers for spare parts and labour together. How should GST be charged?
The accepted practice, supported by CBIC's clarification on servicing, is that where the invoice separately shows the value of parts and the value of labour, each takes its own treatment: parts as a supply of goods and repair labour as a service at 18%. Since auto components also moved to 18% from September 2025, both lines of a typical job card now carry the same rate, which removes the old temptation to shift value between parts and labour. Still keep the split, because HSN and SAC reporting in GSTR-1 differ for goods and services. Workshops can call +91 - 9600 606 444 for invoice-format templates.
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 Nanmangalam 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.
A client paid me an advance. Do I raise an invoice or something else?
On receiving an advance, you issue a receipt voucher under Rule 50, not an invoice; the tax invoice follows when the service is actually supplied. GST is payable on advances received for services in the period of receipt, and the receipt voucher documents that liability. Advances for the supply of goods are not taxed at receipt for normal taxpayers under Notification 66/2017. If the rate is not determinable when the advance arrives, tax is paid at 18 percent, and if the nature of supply is not determinable, it is treated as inter-state. Service firms in Nanmangalam with retainer billing should map this into their monthly cycle.
My supplier has not uploaded an invoice and it is missing from GSTR-2B. Can I still claim the ITC?
No, not until it appears. Since 1 January 2022, Section 16(2)(aa) permits ITC only on invoices furnished by the supplier in GSTR-1 and communicated to you in GSTR-2B; the earlier provisional credit tolerance is gone. Claiming credit on a missing invoice invites a Rule 88D intimation and reversal with interest at 18 percent. The practical remedy is vendor follow-up: withhold the tax portion of payment until the supplier uploads, and claim the credit in the month it appears in GSTR-2B, subject to the overall time limit of 30 November following the financial year. Vendor discipline clauses in purchase orders help enormously.
What counts as exempt supply when calculating my ITC reversal ratio?
Exempt supplies for Rules 42 and 43 include nil-rated and wholly exempted supplies, and by virtue of Section 17(3) also cover outward supplies on which your recipient pays tax under reverse charge, transactions in securities valued at one percent of sale value, and sale of land or completed buildings valued at stamp duty value. Importantly, interest earned on deposits, loans or advances is excluded from the exempt turnover for this computation for everyone except banking companies and financial institutions. Many businesses in Nanmangalam inflate their reversal by wrongly including fixed deposit interest, handing over credit the law never asked them to reverse.
I received a debit note from a supplier for an old invoice. Which year's ITC deadline applies?
The deadline is counted from the date of the debit note, not the original invoice. After the Finance Act 2020 delinked debit notes from their underlying invoices, ITC on a debit note can be claimed up to 30 November following the end of the financial year in which the debit note itself was issued. So a debit note dated June 2025 against an invoice of January 2024 remains claimable until 30 November 2026. This delinking rescues many price-escalation and rate-difference credits that would otherwise appear time-barred, and it is worth checking before writing off any debit note credit as lost.
Is GST charged before or after the discount shown on my invoice?
Discounts given before or at the time of supply and recorded on the face of the invoice are excluded from the value of supply under Section 15(3)(a). You therefore charge GST on the net amount after discount. For example, a Rs.10,000 item with a 10 percent trade discount shown on the invoice is taxed on Rs.9,000. The condition is documentation: the discount must appear on the invoice itself. Informal reductions settled outside the bill do not reduce taxable value. Retail schemes such as festival discounts and trade margins should always be structured to print on the invoice.
How many digits of the HSN code must I print on my tax invoices?
Under Notification 78/2020 Central Tax, taxpayers with aggregate turnover up to Rs.5 crore in the preceding financial year must mention a 4-digit HSN code on all B2B tax invoices, though it is optional on B2C invoices. Taxpayers with turnover above Rs.5 crore must mention 6-digit HSN codes on every invoice, including B2C. Eight digits are required for specified goods such as certain chemicals and for export documentation. Services follow the same rule using SAC codes, which begin with 99. Printing truncated or wrong codes on invoices creates mismatches later, so set the codes correctly in your billing software once.
Our company paid fees to a lawyer. Who pays the GST on this?
You do, as the recipient. Legal services supplied by an individual advocate, a firm of advocates or a senior advocate to a business entity are notified under Section 9(3), so the advocate does not charge GST and your business pays 18 percent under reverse charge in cash through GSTR-3B, claiming it back as ITC if otherwise eligible. Relief exists for small recipients: legal services to a business entity whose turnover is within the registration threshold are exempt. Since the advocate is usually unregistered, remember to raise a self-invoice and payment voucher for the transaction. Litigation-heavy businesses in Nanmangalam should reconcile their legal expense ledger against RCM paid every quarter.
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.
What are the most common mistakes Chennai businesses make with GST refunds and ITC?
The recurring ones we see across Nanmangalam are: missing the two-year limitation for RFD-01, mismatches between GSTR-1, GSTR-3B and shipping bill data that stall export refunds, forgetting the April LUT renewal, claiming ITC on invoices absent from GSTR-2B, ignoring blocked credits under Section 17(5), breaching the 180-day supplier payment rule, and treating deficiency memos as rejections instead of refiling within limitation. Each of these is preventable with a simple monthly checklist and a year-end reconciliation. ChennaiGST builds exactly this discipline into its retainer engagements; call +91 - 9600 606 444 if any of these sounds familiar.
What is self-invoicing under RCM and is there a time limit for it?
When you receive supplies liable to reverse charge from an unregistered supplier, Section 31(3)(f) requires you, the recipient, to issue an invoice on yourself, because the supplier cannot issue a tax invoice. You must also issue a payment voucher when paying the supplier. From 1 November 2024, Rule 47A prescribes a firm deadline: the self-invoice must be issued within thirty days of receiving the supply. This document is not a formality; the time limit for claiming the RCM credit is reckoned from the self-invoice, and its absence can cost you the credit besides inviting penalty. Maintain a monthly self-invoice series covering rent, freight, legal fees and similar unregistered-supplier heads.
We hire cabs monthly for employee transport in Nanmangalam. Who pays the GST?
If the cab operator is not a body corporate, charges 5 percent, and your business is a body corporate, the liability shifts to you under reverse charge. The entry covers renting of motor vehicles designed to carry passengers where the cost of fuel is included in the consideration. If the operator is itself a company, or bills at the higher rate with full ITC, 18 percent since the September 2025 rate rationalisation, forward charge applies and the operator collects the tax. Remember that even after paying RCM, the ITC on employee transport in vehicles seating up to thirteen is blocked under Section 17(5) unless providing the transport is obligatory for the employer under a law.
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.
Do you provide gst return filing for small businesses and proprietorships in Nanmangalam?
Yes. A large share of our clients in Nanmangalam 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 Nanmangalam 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.
Explore

Related GST Services & Nearby Areas

Ready to Sort Out Your GST?

Switching from your current accountant? Call +91 - 9600 606 444 for a smooth handover of your GSTR-1 & GSTR-3B Monthly Filing.

Call +91 - 9600 606 444   WhatsApp Us
💬
Request a Call BackWe call within 30 minutes

Mon-Sat: 9.00 AM - 8.00 PM · Sunday: WhatsApp support only