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

GSTR-1 & GSTR-3B Monthly Filing for Shops and Offices on Periyar Street, Mugalivakkam

One WhatsApp message is how most of our client relationships began. Send yours today and have GSTR-1 & GSTR-3B Monthly Filing in Mugalivakkam handled end to end from Rs.749 — fee confirmed in writing first, documents straight from your phone, acknowledgement the day we file.

We serve businesses on and around Periyar Street — 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 Periyar Street, Mugalivakkam
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 Periyar Street, Mugalivakkam

Mugalivakkam sits between Porur and Manapakkam, its AGS Colony, Sabari Nagar, Sakthi Nagar, Mahalakshmi Nagar and VGN Lakshmi Nagar layouts packed with apartment blocks over ground-floor shops on Mugalivakkam Main Road. Builders, interior and aluminium fabricators, hardware and tile dealers, supermarkets and PG operators trade here. Joint-development revenue recognition, the one-third land abatement, reverse charge on commercial rent and Rule 42 credit reversal on exempt flat sales are the standard questions. We have supported businesses of exactly this profile with GSTR-1 & GSTR-3B Monthly Filing across Mugalivakkam for years, along with clients from Manapakkam and Ramapuram. The engagement is simple: one point of contact, a clear fee, documents over WhatsApp or in person at our Chennai office, and senior review before anything is submitted on the portal. What you get in return is clean filings, archived records and far fewer reasons for the department to write to you.

GST jurisdiction for Mugalivakkam (PIN 600116): businesses here generally fall under the CGST Chennai South Commissionerate. We regularly represent clients from Mugalivakkam 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 Freelancers and Consultants in Mugalivakkam
Freelancers discover GST quirks the hard way: tax on services is due on advance receipt itself, not on invoicing, and money paid to Google or Meta for advertising billed from overseas is an import of services on which you must pay tax under reverse charge with a self-invoice, then claim it back as credit. The department also compares receipts reported by your clients under income tax TDS with your declared GST turnover, so the two must reconcile. Consultants in Mugalivakkam juggling multiple clients benefit from a specialist who manages advance-tax timing, reverse charge entries and TDS-to-turnover matching before a query lands. Call +91 - 9600 606 444 for a quick review.
For GSTR-1 & GSTR-3B Monthly Filing in Mugalivakkam the working timeline is Filed before the 11th and 20th of every month, counted from the point your documents are complete. The realistic completion date is confirmed to you in writing before work starts, and the acknowledgement is shared on WhatsApp immediately after filing.
Why Us

Why Periyar Street, Mugalivakkam Businesses Choose ChennaiGST

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

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 Mugalivakkam business already maintains it. You are never forced to buy new software or retrain staff just to become our client.

Strict Data Confidentiality

Your sales figures, supplier lists and login credentials are handled only by our engaged team, stored securely and never shared with any third party. Many of our clients in Mugalivakkam compete with each other; complete confidentiality is a condition of our work.

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.

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

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.

Support in Tamil and English

GST is confusing enough without a language barrier. Our team explains notices, tax positions and filing requirements in plain Tamil or English, whichever you and your staff in Mugalivakkam are comfortable with, and keeps written communication simple and jargon-free.

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 Mugalivakkam

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.

Slips Settled Before They Become Notices

Where a genuine error is found in a past period, voluntary payment through DRC-03 before any notice issues closes the matter at minimal cost, instead of letting it ripen into a demand with penalty.

A Professional Face on Every Invoice

Correct, complete tax invoices signal a well-run business to customers, vendors and banks alike, quietly strengthening your credibility in every transaction where your paperwork is seen.

Marketplace Accounts That Stay Live

E-commerce platforms continuously validate seller GSTINs and filing status. A consistently compliant registration keeps your listings active and settlements flowing, with no sudden suspension of your online sales channel.

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.

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.

Smooth Scheme Transitions

Whether moving between composition and regular scheme, opting into QRMP, or crossing the e-invoice threshold at Rs.5 crore, transitions are planned in advance rather than discovered after a compliance breach.

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.
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.
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.
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.
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.
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.
On This Street

GST Support on Periyar Street, Mugalivakkam

Periyar Street is a residential street in Mugalivakkam, about 550 m north-west of the centre of Mugalivakkam. The same consultant covers the streets immediately around it — 8th Street (about 50 m); 3rd Main Road (about 100 m); 2nd Cross Street (about 100 m); 2nd Main Road (about 100 m) — so a site visit on Periyar Street can usually be combined with other work in Mugalivakkam on the same trip. For GST purposes an address on Periyar Street falls under the Chennai South CGST Commissionerate, and the Mugalivakkam pincode is 600116.

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

Law Update

GST Rulings and Notifications That Affect You — relevant to Mugalivakkam businesses

GST law moves through notifications, circulars and court decisions. These are the ones changing how filings are prepared right now.

Notification

Compensation cess: the extra levy that sat on top of 28 per cent goods

Notification No. 1/2017-Compensation Cess (Rate), dated 28 June 2017 · 2017-06-28

Under the GST (Compensation to States) Act, 2017 a separate cess was levied on a short list of demerit and luxury goods over and above GST. Coal carried a specific cess per tonne, aerated waters attracted twelve per cent, motor cars carried one to twenty-two per cent depending on engine capacity and length, and pan masala, cigarettes and chewing tobacco carried the heaviest rates. Cess credit could only be set off against cess, never against CGST, SGST or IGST.

What to do about it: Dealers who handled cars, coal or aerated drinks had to maintain a separate compensation cess ledger, and that ring-fenced credit remains a live issue in old assessments.

Case Law

Merely having credit in the electronic ledger does not by itself stop interest running on a late return

India Yamaha Motor (P) Ltd v. Assistant Commissioner — Madras High Court, W.P. No. 19044 of 2019, decided 29 August 2022 (Anita Sumanth J.) · 2022-08-29

The taxpayer argued that because credit was sitting in its electronic credit ledger, no interest should arise on delayed returns. The Madras High Court largely rejected this, confirming an interest demand of about Rs. 1.19 crore and holding that credit is set off against output tax only when it is actually debited at the time the return is filed. Availability of a credit balance, without an accompanying return, does not amount to discharge of tax.

Practical effect: Sitting on an unused credit balance is no defence to interest — the return must actually be filed and the credit debited for the liability to be treated as discharged.

GST Council

GST rollout formally deferred to 1 July 2017

9th GST Council Meeting, New Delhi — 16 January 2017 (Signed Minutes, Agenda Item 5) · 2017-01-16

With the revised model law still to be brought back to the Council, the fitment of rates incomplete and taxpayers needing time to configure their accounting systems, the Council unanimously agreed to extend the GST rollout date to 1 July 2017. Maharashtra, Assam and Bihar had pressed for 1 April 2017, Assam adding that changing the tax regime in the middle of a financial year was undesirable, but the Chairperson observed that the legal and rate work would spill into March 2017 and that an April deadline had become a major challenge. Tamil Nadu and Karnataka supported 1 July 2017 as the more practical date.

What it means for you: GST law in India runs from 1 July 2017, so the first return periods, the first annual return and all transitional credit deadlines are measured from that date.

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 Mugalivakkam?
Our fee for GSTR-1 & GSTR-3B monthly filing in Mugalivakkam 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.
How long does GSTR-1 & GSTR-3B monthly filing take in Mugalivakkam?
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 I have to report HSN codes in my GSTR-1?
Yes. Taxpayers with aggregate turnover up to Rs.5 crore must report a 4-digit HSN summary for B2B supplies in Table 12 of GSTR-1, while those above Rs.5 crore must report 6-digit HSN codes for all supplies. The portal now validates HSN entries against its master list, so wrong or truncated codes can block filing. Getting HSN classification right also determines your tax rate, so it is worth a one-time review of your product list. Our team in Mugalivakkam maintains a verified HSN master for every client.
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 Mugalivakkam 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.
My SaaS startup in Mugalivakkam 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 Mugalivakkam 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.
Is there a deadline for declaring credit notes for a financial year?
Yes, and it is strict. A credit note relating to an invoice of a financial year must be declared in your returns by 30 November following the end of that financial year, or the date of filing the annual return, whichever is earlier. After this date, you can no longer reduce your output tax through a GST credit note for that year's invoices; any adjustment becomes purely commercial with no tax benefit. Sales returns in Mugalivakkam businesses often surface months later, especially season-end returns from distributors, so sweep your pending returns and disputes each October and issue the credit notes in time.
What is the difference between GSTR-1 and GSTR-3B?
GSTR-1 is a detailed invoice-wise statement of your sales, filed by the 11th of the next month. It does not involve any tax payment but it feeds your customers' GSTR-2B for input tax credit. GSTR-3B is a self-declared summary return, due on the 20th, where you report total sales, claim input tax credit and pay the net tax in cash or through credit. Both must match; mismatches between GSTR-1 and GSTR-3B are a common trigger for notices from the department, which is why we reconcile them before every filing.
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 Mugalivakkam; call +91 - 9600 606 444 to schedule one.
What are the conditions under Section 16 I must satisfy before claiming any input tax credit?
Section 16(2) prescribes cumulative conditions: you must hold a valid tax invoice or debit note, you must have actually received the goods or services, the supplier must have paid the tax to the government, and you must have filed your GSTR-3B. Added to these, the invoice must appear in your GSTR-2B and must not be restricted there. In practice this means a genuine purchase can still fail the test if your supplier defaults. We advise businesses in Mugalivakkam to maintain proof of receipt, such as delivery challans and goods inward registers, because officers increasingly demand evidence of actual receipt during verification.
How and when can I opt in or out of the QRMP scheme?
The option is exercised on the GST portal under Services, Returns, Opt-in for Quarterly Return. The window for any quarter runs from the first day of the second month of the preceding quarter to the last day of the first month of the quarter you are opting for. For example, to be under QRMP for July to September, opt in between 1 May and 31 July. Once chosen, the option continues for future quarters until you change it or your turnover crosses Rs.5 crore. We handle the opt-in for clients at no extra charge.
What information is needed to prepare my GSTR-9?
The portal auto-drafts GSTR-9 from your filed GSTR-1 and GSTR-3B, and provides a system-computed summary along with GSTR-2A/2B data for credit tables. To verify and complete it we need your audited or finalised financial statements, sales and purchase registers, input tax credit ledger, details of RCM payments, HSN-wise summaries, and any DRC-03 payments made during the year. Differences between books and returns must be explained and, where needed, paid. Sharing these by early November gives enough time for a clean filing before 31 December. Call +91 - 9600 606 444 for our standard checklist.
What falls under the 18 percent standard rate of GST now?
The 18 percent slab is the standard rate for most services and for goods that are neither essentials nor demerit items. Notably, several products that earlier suffered 28 percent moved down to 18 percent from 22 September 2025: air conditioners, televisions of all sizes, dishwashers, cement, small cars and motorcycles up to 350cc, and most auto parts. Apparel and footwear priced above Rs.2,500 per piece also fall at 18 percent. Most professional, business support and repair services billed by professional firms continue at 18 percent with full input tax credit.
Why is there GST on an under-construction flat but not on a ready-to-move one?
Construction of an apartment intended for sale is a supply of service only when any part of the consideration is received before the completion certificate is issued or before first occupation. Such under-construction sales attract 1 percent for affordable residential apartments and 5 percent for other residential apartments, both without input tax credit to the builder. Once the completion certificate is issued, sale of the building is neither a supply of goods nor of services under Schedule III, so a ready-to-move flat carries no GST at all, only stamp duty and registration charges. Timing of booking therefore changes the buyer's cost materially.
Is a pure labour contract for building a house exempt from GST?
Two exemptions exist for pure labour contracts, meaning contracts where the contractor supplies only labour and the owner buys all materials. First, construction, erection or installation of original works pertaining to a single residential unit, otherwise than as part of a residential complex, is exempt. Second, pure labour services under the Pradhan Mantri Awas Yojana for beneficiary-led individual house construction are exempt. Outside these, labour contracts are taxable at 18 percent. A mason team building one independent house in Mugalivakkam on labour-only terms therefore charges no GST, but the same team working on an apartment project must.
Can my GST registration be cancelled for not filing returns?
Yes. Under Rule 21A, the department can suspend a GSTIN where returns are not filed for a continuous period, and Section 29 permits cancellation where a regular taxpayer has not filed returns for six months (two quarters for QRMP, and a composition taxpayer defaulting on the annual return beyond three months). During suspension you cannot issue tax invoices or file returns, which freezes the business. If cancellation happens, revocation must be sought through REG-21 within 90 days after clearing all dues. If you have received a suspension notice in Mugalivakkam, call +91 - 9600 606 444 immediately.
I have taken a house on rent and I am GST registered. Does reverse charge hit my house rent?
Only in defined situations. From 18 July 2022, renting of a residential dwelling to a registered person attracts 18 percent under reverse charge in the tenant's hands. However, where a registered proprietor rents the dwelling in a personal capacity for use as his own residence, and on his own account rather than for the business, the exemption applies and no tax arises. If a company takes a flat as a guest house or for employee accommodation, RCM applies, and note that ITC on such rent may face challenge as a personal consumption expense. Document the purpose of the tenancy in the rent agreement so the correct treatment is defensible.
When can goods move on a delivery challan instead of a tax invoice?
Rule 55 permits movement on a delivery challan where the transportation is not itself a supply: sending inputs or capital goods for job work, taking goods to an exhibition or for approval where the sale is not yet certain, supplying liquid gas where the quantity is unknown at removal, and moving goods in semi-knocked-down form in multiple consignments, where the full invoice travels with the first lot. The challan is prepared in triplicate and an e-way bill is still required where value thresholds are crossed. Goods sent on approval must be invoiced within six months, failing which tax becomes payable.
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 Mugalivakkam 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.
What documents are required for GSTR-1 & GSTR-3B monthly filing in Mugalivakkam?
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.
Which GST office handles Mugalivakkam businesses?
Businesses in Mugalivakkam (PIN 600116) generally fall under the CGST Chennai South Commissionerate, with state-jurisdiction cases handled by the Tamil Nadu Commercial Taxes Department. Your exact division and range can be confirmed from your GSTIN on the GST portal. We regularly appear before this jurisdiction for registrations, clarifications and hearings, so we know the local practice and documentation preferences.
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 Mugalivakkam 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?

Talk to us before the due date, not after it. Call +91 - 9600 606 444 for GSTR-1 & GSTR-3B Monthly Filing support in Mugalivakkam.

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