Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
West Mambalam · PIN 600033

GSTR-1 & GSTR-3B Monthly Filing for Shops and Offices on Kasi Viswanathar Colony, West Mambalam

Trusted GSTR-1 & GSTR-3B Monthly Filing support for West Mambalam, 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 Kasi Viswanathar Colony — 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 Kasi Viswanathar Colony, West Mambalam
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 Kasi Viswanathar Colony, West Mambalam

West Mambalam packs caterers, flower and pooja goods sellers, tailoring units and tuition centres into dense streets like Lake View Road and Arya Gowda Road beside Mambalam railway station. Family-run businesses here often operate near the Rs.40 lakh goods and Rs.20 lakh services registration thresholds, so registration timing, composition eligibility and purchases from unregistered dealers are the common questions. Against that backdrop, GSTR-1 & GSTR-3B Monthly Filing in West Mambalam demands more than data entry — it needs reconciliation before filing, correct classification and awareness of what local officers examine. Our Chennai team provides exactly that to clients in West Mambalam, T. Nagar and Ashok Nagar, with same-day responses on working days and WhatsApp updates at every stage. Most routine engagements complete within one to two working days once documents are in hand.

GST jurisdiction for West Mambalam (PIN 600033): businesses here generally fall under the CGST Chennai South Commissionerate. We regularly represent clients from West Mambalam 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 Restaurants and Cloud Kitchens in West Mambalam
Restaurant service is taxed at 5 percent without input tax credit, so GST paid on rent, kitchen equipment and packaging is a cost your menu pricing must absorb. Orders routed through Swiggy or Zomato fall under Section 9(5), where the platform itself pays the tax, yet you must still disclose those supplies separately in GSTR-1, keeping direct billing and aggregator billing distinct. A cloud kitchen running several brands from one West Mambalam address needs one registration with disciplined brand-wise invoicing, not separate GSTINs. A specialist splits the two order streams correctly every month and prevents double taxation of aggregator sales. Call +91 - 9600 606 444 to review your setup.
Yes, professional GSTR-1 & GSTR-3B Monthly Filing is available in West Mambalam starting at Rs.749. The process is handled end to end — documents over WhatsApp, senior-reviewed preparation, portal filing and same-day acknowledgement sharing.
Why Us

Why Kasi Viswanathar Colony, West Mambalam Businesses Choose ChennaiGST

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

E-Invoice and E-Way Bill Fluency

E-invoicing is mandatory once turnover crosses Rs.5 crore and e-way bills apply to goods movements above Rs.50,000. We set up, train and troubleshoot both systems, so your despatches from West Mambalam are never held up by a compliance gap at the gate.

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.

Fast, Clean Registrations and Amendments

New GSTIN applications, core field amendments through REG-14, additional places of business — we prepare complete, query-resistant applications the first time. Clean paperwork is the difference between smooth approval and weeks lost answering clarification memos from the department.

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.

WhatsApp Updates at Every Stage

You receive a WhatsApp message when documents are received, when the draft is ready for your approval, and when the return or application is filed, along with the acknowledgement. You never have to call and ask what is happening with your file.

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 West Mambalam through each of these so month one starts correctly.

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 West Mambalam

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.

Correct Tax the First Time

Rates, reverse charge, place of supply and blocked credits are applied correctly at the preparation stage, so you neither overpay tax you do not owe nor underpay and invite demands with penalty later.

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.

Closure Without Loose Ends

When a business winds up, proper cancellation and a timely final return ensure the file is genuinely closed, so no demand or late-fee computation resurfaces against you long after the shutters came down.

Better Cash Flow Planning

You know your expected GST outflow days before the 20th, not on the night of filing. That advance visibility lets you plan payments, collections and bank balances instead of scrambling for funds at the deadline.

Bank and Tender Readiness

Loan applications and government tenders routinely demand GST returns and registration documents. With everything filed and archived properly, you can produce a complete compliance file within hours instead of days.

Goods That Move Without Detention

Correct e-way bills matched to correct invoices mean your consignments clear roadside inspections cleanly, avoiding detention proceedings whose penalties can far exceed the tax on the goods being carried.

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.
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.
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.
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.
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.
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.
Case Law & Notifications

What the Department and the Courts Have Said — relevant to West Mambalam businesses

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

Circular

Reverse charge on hiring vehicles from a non-corporate supplier

Circular No. 130/2019-GST dated 31 December 2019 · 2019-12-31

CBIC clarified the reverse charge entry for renting motor vehicles designed to carry passengers where the cost of fuel is included in the consideration. Where the supplier is a person other than a body corporate who charges tax at five per cent without claiming input tax credit, and the recipient is a body corporate located in the taxable territory, the recipient pays the tax under reverse charge. Where the supplier is itself a body corporate, or charges the twelve per cent rate with credit, the reverse charge does not apply.

How we apply it: Chennai companies hiring cabs from individual or firm operators must check the operator's status and rate before deciding whether reverse charge applies.

Case Law

Madras High Court: GST on apartment maintenance applies only to the amount exceeding Rs 7,500

Greenwood Owners Association v. Union of India — Madras High Court, 2021 · 2021-07-01

Resident welfare associations challenged the CBIC circular and AAR view that once monthly maintenance exceeds Rs 7,500 per member, GST applies on the entire amount. The Madras High Court held that the exemption operates up to Rs 7,500, and only the amount in excess of that threshold is taxable — the term 'up to' marks a clear slab. The circular's contrary interpretation was quashed as contrary to the exemption notification.

What it means for you: Chennai apartment associations collecting over Rs 7,500 per month per flat should charge GST only on the excess over Rs 7,500, relying on this jurisdictional ruling.

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.

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.

How much does GSTR-1 & GSTR-3B monthly filing cost in West Mambalam?
Our fee for GSTR-1 & GSTR-3B monthly filing in West Mambalam starts at Rs.749/month and is quoted in full before we begin — there are no hidden charges added later. The fee covers professional work end to end: document review, preparation, filing and follow-up until completion. Government fees or portal charges, where applicable, are separate and always shown to you upfront. For an exact quote based on your turnover and business type, call +91 - 9600 606 444 and a consultant will confirm it on the call.
Which GST office handles West Mambalam businesses?
Businesses in West Mambalam (PIN 600033) 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.
How should I raise invoices on foreign clients and report them in my returns?
You may invoice in foreign currency, but your GST records must state the value in rupees. An export invoice under LUT should carry the endorsement that the supply is meant for export under Letter of Undertaking without payment of integrated tax, along with your GSTIN, SAC code and the recipient's overseas address. In GSTR-1, these invoices go into Table 6A marked without payment of tax, and the turnover flows into GSTR-3B as zero-rated supplies. Match every invoice to a FIRC or bank credit. Our filing package for exporters in West Mambalam includes this export documentation at Rs.749 per month.
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 West Mambalam never overpay or underpay.
My credit notes this month exceed my sales. Can GSTR-3B show a negative figure?
Yes. Since the January 2024 tax period, the portal permits negative values in Table 3.1 of GSTR-3B where credit notes issued in a month exceed the outward supplies, a situation common in businesses with heavy sales returns. The resulting negative liability is carried forward automatically by the system and adjusted against the liability of subsequent tax periods, so you no longer need to defer reporting credit notes. Ensure the same credit notes are reported in GSTR-1, because GSTR-3B auto-populates from it and manual deviations invite the portal's variance flags. Retailers with seasonal return spikes benefit most from this facility.
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.
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.
I generate e-invoices. Do I still have to prepare GSTR-1 separately?
If your aggregate turnover exceeds Rs.5 crore, e-invoicing is mandatory and the invoice details reported to the Invoice Registration Portal auto-populate into your GSTR-1. However, auto-population is not a substitute for review. B2C sales, exports without IRN issues, credit notes, amendments and advances still need to be verified or added manually before submission. We review the auto-drafted GSTR-1 against your books each month so that what is filed matches your accounts exactly. If you have just crossed the Rs.5 crore threshold, call +91 - 9600 606 444 and we will set up e-invoicing correctly.
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 West Mambalam every month.
Is there a late fee if I delay the monthly PMT-06 payment under QRMP?
No late fee applies to a delayed PMT-06 deposit, because late fee is linked only to returns. However, interest at 18 percent per annum is payable on the shortfall for the delay period. Note that if you used the fixed sum method and paid the pre-filled 35 percent amount on time, no interest applies for the first two months even if actual liability was higher, provided the balance is paid in the quarterly GSTR-3B by its due date. Late fee does apply if the quarterly GSTR-1 or GSTR-3B itself is filed late.
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.
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 one invoice contain items taxed at different GST rates?
Yes, there is no requirement to issue separate invoices per rate. A single tax invoice can carry multiple line items, each with its own HSN code, taxable value, rate and tax amount, and the totals section simply aggregates the tax rate-wise. A hardware store in West Mambalam can bill cement at 18 percent and certain tools at 5 percent on one document. What matters is that each line is classified and taxed correctly, and that mixed baskets are not collapsed into one rate. Be careful with genuine composite supplies, where one principal supply drives a single rate; that is a classification question, not an invoicing one.
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.
What are the most common mistakes Chennai businesses make with GST refunds and ITC?
The recurring ones we see across West Mambalam 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.
How is GST charged on hotel room tariffs after the rate changes?
Hotel accommodation with a value of supply up to Rs.7,500 per unit per day attracts 5 percent GST without input tax credit, a reduction from the earlier 12 percent. Rooms priced above Rs.7,500 per day attract 18 percent with full input tax credit. The rate is determined by the actual transaction value charged for the room, so seasonal discounts can change the applicable rate on the same room across bookings. Lodges and hotels around West Mambalam should configure billing software to test the per-day value on each invoice rather than fixing one rate for the property.
Should I claim a refund of my accumulated ITC or just carry it forward?
Carry-forward suits businesses whose future output tax will absorb the credit within a few months, since it avoids refund paperwork. A refund makes sense when the credit keeps growing and will never be absorbed, which is typical for exporters under LUT and businesses with inverted duty structure, because idle credit is interest-free money locked with the government. Remember that refunds are only available in categories permitted by Section 54; ordinary accumulated credit from slow sales cannot be refunded. A quick review of your credit ledger trend over six months usually makes the right answer obvious.
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 West Mambalam receive our reminder messages before every date.
Do you provide gst return filing for small businesses and proprietorships in West Mambalam?
Yes. A large share of our clients in West Mambalam 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.
How long does GSTR-1 & GSTR-3B monthly filing take in West Mambalam?
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 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.
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