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

GSTR-1 & GSTR-3B Monthly Filing near Thirumurugan Nagar, Porur, Chennai

Reliable GSTR-1 & GSTR-3B Monthly Filing for Porur businesses at a clear, fixed fee starting Rs.749. We handle the documentation, portal work and follow-up, you approve the draft before anything is filed, and the acknowledgement reaches you on WhatsApp the moment the filing goes through.

We serve businesses on and around Thirumurugan Nagar — document pickup, in-person consultation at our Porur office, or fully online over WhatsApp.

  • Handled by senior GST practitioners — 20 years in Chennai tax practice
  • Transparent fee: Rs.749/month onwards — full quote before we start
  • Same-day response on WhatsApp and phone (Mon-Sat: 9.00 AM - 8.00 PM)
  • Doorstep document pickup in Thirumurugan Nagar, Porur
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 Thirumurugan Nagar, Porur

Porur commands the junction of Mount Poonamallee Road and Arcot Road, the gateway to Chennai's western IT corridor, with the Sri Ramachandra medical campus, IT offices, construction firms and logistics yards nearby. IT and ITES exporters need LUT filings under RFD-11 each financial year and refunds through RFD-01, while contractors face Section 17(5) credit blocks and site-to-site e-way bills. GST compliance in a market like Porur 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 Porur and nearby Valasaravakkam and Ramapuram 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 Porur (PIN 600116): businesses here generally fall under the CGST Chennai South Commissionerate. We regularly represent clients from Porur 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 Porur
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.
To get GSTR-1 & GSTR-3B Monthly Filing in Porur, share your documents by WhatsApp or visit the office, approve the prepared draft, and the filing is completed on the GST portal from Rs.749.
Why Us

Why Thirumurugan Nagar, Porur Businesses Choose ChennaiGST

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

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.

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 Porur 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.

Notice-Proof Filing Discipline

Most GST notices trace back to mismatches between GSTR-1, GSTR-3B and GSTR-2B. We reconcile these before filing, not after a notice arrives, so your returns are internally consistent and the most common triggers for ASMT-10 scrutiny simply never appear.

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 Porur business supplies, the rate, classification and place-of-supply questions have almost certainly crossed our desk before.

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.

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 Porur

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.

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.

Compliance That Continues When You Travel

Illness, travel or a family function no longer threatens a deadline. With a standing external process holding your calendar and data trail, filings proceed on schedule whether or not you are at your desk.

Confidence During Officer Interactions

When a query or verification comes, you respond through a professional who deals with the department regularly, in the department's own language and format, instead of facing an officer's letter alone.

A Clean GSTIN That Stays Active

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

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.

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.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
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.
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.
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.
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.
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.
Case Law & Notifications

What the Department and the Courts Have Said — relevant to Porur businesses

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

AAR Ruling

Carbonated fruit drinks classified as carbonated beverages, not fruit juice drinks

Rich Dairy Products (India) Pvt Ltd - AAR Tamil Nadu (2019), upheld by AAAR Tamil Nadu, Order No. TN/AAAR/01/2020 · 2019

The Namakkal manufacturer made carbonated beverages containing fruit juice and sought classification under the fruit pulp or fruit juice based drinks entry taxed at 12 percent. The Authority held that once carbon dioxide is added the product is classifiable under heading 2202 10 as waters containing added carbon dioxide and flavouring, and not as fruit juice under heading 2009, so the higher rate applicable to that entry along with compensation cess applies. The Appellate Authority upheld that view.

How we apply it: Chennai beverage makers must check whether the drink is carbonated before applying the 12 percent fruit drink rate.

Case Law

Inadvertent overstatement in GSTR-1 allowed to be corrected following Circular 212 of 2024

Mr. Kannippan Arumugan v. Assistant Commissioner (ST) — Madras High Court, W.P. No. 2943 of 2026, decided 30 January 2026 (C. Saravanan J.) · 2026-01-30

The taxpayer had reported tax of Rs 2,54,040.30 against an invoice instead of the correct Rs 1,31,280.30, and a demand followed. The Court quashed the assessment order dated 21 July 2025 and remitted the matter for fresh adjudication within six months, permitting the petitioner to rectify the inadvertent error subject to compliance with Circular No. 212/6/2024-GST, and directing the officer to verify with the recipient's jurisdiction whether excess credit had in fact been availed.

What it means for you: A clerical overstatement in GSTR-1 by a Chennai supplier can still be corrected long afterwards, provided the recipient has not taken the excess credit and the Circular 212 procedure is followed.

Circular

What 'as is where is' regularisation in a GST circular actually means

Circular No. 236/30/2024-GST · 2024-10-11

CBIC explained the scope of the phrase 'regularised on as is where is basis' used when the Council settles a disputed rate or classification. Where taxpayers paid at the lower of two competing rates or claimed an exemption in good faith, the past position is accepted as full discharge and no differential demand arises. However, no refund is available to anyone who paid at the higher rate or did not claim the exemption, and the circular works through illustrations showing exactly which past positions stand closed.

What it means for you: Read any rate clarification circular alongside its regularisation paragraph, because that paragraph often extinguishes the entire exposure for earlier years.

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 long does GSTR-1 & GSTR-3B monthly filing take in Porur?
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.
Which GST office handles Porur businesses?
Businesses in Porur (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.
Our institute charges one fee covering classes, study material and hostel. How is it taxed?
A single price for naturally bundled components is a composite supply, taxed at the rate of the principal supply. For a coaching institute, coaching is the principal supply, so the entire lump sum, including printed materials and boarding provided as part of the package, attracts 18 percent. Printing separate invoices for books at nil rate out of a bundled fee is a known audit red flag and is routinely rejected. If the institute genuinely sells optional printed books to anyone at a separate price, those standalone sales can take the book's own treatment. Structure the fee schedule deliberately, not after the demand arrives.
What is a debit note under GST and when do I issue one?
You issue a debit note when the taxable value or tax charged in the original invoice was less than what is actually payable, for example a price escalation clause kicking in or a rate charged short. Declaring the debit note in GSTR-1 increases your output liability, payable with interest where the shortfall relates to an earlier period. There is no outer time limit on issuing a debit note itself. For your buyer, the debit note is a credit document: following the amendment to Section 16(4), the buyer's time limit to claim ITC runs from the date of the debit note, not the original invoice.
What is GSTR-2B and why does my consultant match it before filing?
GSTR-2B is an auto-drafted statement of the input tax credit available to you, generated on the 14th of every month from the GSTR-1 and IFF filings of your suppliers. Input tax credit in GSTR-3B can only be claimed for invoices appearing in GSTR-2B, so matching your purchase register against it before filing is essential. If a supplier has not uploaded an invoice, the credit must be deferred and the supplier followed up. This monthly reconciliation is included in our return filing service for businesses in Porur.
Do I have to pay GST on my Adobe, Canva or AWS subscriptions billed from abroad?
If you are GST-registered and the foreign supplier has not charged Indian GST, yes. Services received from a supplier located outside India for business purposes are an import of services, taxable in your hands under reverse charge at 18 percent. You must pay the tax in cash through GSTR-3B, raise a self-invoice, and can simultaneously claim the same amount as input tax credit if the expense is otherwise eligible, making it cash-flow neutral for most businesses. Unregistered persons do not pay reverse charge; instead, the foreign provider may charge GST under the OIDAR rules. Many Porur agencies miss these entries during scrutiny.
My company has taken a residential flat on rent. Why is our accountant paying GST on it?
Because of a reverse charge entry effective 18 July 2022: renting of a residential dwelling to a registered person attracts 18 percent GST payable by the tenant under reverse charge, even when the landlord is unregistered. Renting to unregistered individuals for residence remains fully exempt. There is a carve-out from 1 January 2023: a proprietor renting a dwelling in his personal capacity for use as his own residence, on his own account and not for the business, is exempt. Companies and firms renting flats, including for guest houses, must therefore pay RCM monthly through GSTR-3B. We correct many such missed entries during our compliance health checks.
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 Porur includes this export documentation at Rs.749 per month.
What is the 180-day payment rule for input tax credit?
Under the second proviso to Section 16(2) read with Rule 37, if you do not pay your supplier the invoice value including tax within 180 days from the invoice date, you must reverse the proportionate ITC in GSTR-3B, along with interest at 18 percent per annum from the date of availment. The credit can be re-availed, without any time limit, once payment is actually made. Long credit periods negotiated with vendors around Porur frequently breach this rule unnoticed, so your reconciliation should include an ageing of creditors mapped to ITC claimed. Call +91 - 9600 606 444 if you need this ageing built into your monthly process.
We distribute free samples and run buy-one-get-one offers. How is ITC treated on these?
The two are treated very differently. Goods disposed of as gifts or free samples attract the block under Section 17(5)(h), so ITC on inputs used for genuinely free samples must be reversed. However, CBIC Circular 92/11/2019 clarifies that buy-one-get-one offers are not free supplies; they are effectively two goods sold for a single price, tax is charged on that price, and full ITC remains available. Trade discounts recorded in the invoice also do not disturb credit. Pharmaceutical distributors and FMCG dealers in Porur should therefore document promotional schemes carefully, because the same physical giveaway can be creditable or blocked depending on how the offer is structured.
Is ITC available on food, catering and canteen expenses for our factory staff?
Section 17(5)(b) blocks credit on food, beverages and outdoor catering, but with two useful exceptions. First, where you use catering as an input for making an outward supply of the same category, such as a caterer subcontracting another caterer, credit is allowed. Second, where providing the facility is obligatory for the employer under any law, credit is allowed; the classic case is a statutory canteen required under the Factories Act for factories employing more than 250 workers. Even then, credit is typically restricted to the cost borne by the employer, not amounts recovered from employees. Factories around Porur should keep the statutory obligation documented in their credit file.
How do I track the status of a grievance ticket or any ARN I have on the GST portal?
For grievance tickets, open selfservice.gstsystem.in and use Check Status by entering the ticket reference number; the screen shows whether it is open, under processing or resolved, with the resolution comments. For applications filed on the main portal, log in and use Services, then Track Application Status, choosing the module and entering the ARN, or open My Applications to see every application with its case detail folder, notices and replies in one place. Diarise every ARN the day it is generated, because reply windows run from portal timestamps. ChennaiGST maintains an ARN tracker for every client engagement.
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 Porur on labour-only terms therefore charges no GST, but the same team working on an apartment project must.
Is GST still charged on life and health insurance premiums?
No. With effect from 22 September 2025, premiums on all individual life insurance policies, including term plans, endowment plans and ULIPs, and all individual health insurance policies, including family floater and senior citizen plans, are exempt from GST. Reinsurance of these policies is also exempt. Earlier these premiums bore 18 percent tax. Note that the exemption applies to policies taken by individuals; certain group covers procured by businesses can still attract GST, and insurers can no longer claim input credit attributable to exempt policies. Policyholders should see the benefit directly in renewal notices.
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.
We pay for foreign software subscriptions and overseas consultants. Is GST payable in India?
Yes. Import of services, meaning services from a supplier located outside India received by a person in India for business, attracts IGST under reverse charge in the recipient's hands, payable in cash and claimable as ITC if eligible. This catches cloud software, foreign professional fees, overseas advertising and licence fees. Two nuances matter: services from a related foreign party, such as your parent company, are taxable even without consideration under Schedule I, and OIDAR services supplied to unregistered consumers are taxed in the foreign supplier's own hands, not under RCM. Startups and IT firms in Porur paying by card frequently miss these entries; reconcile foreign remittances against RCM paid annually.
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.
I buy electronics stock from distributors in other states. How does the IGST on purchases work for me?
Inter-state purchases carry IGST, which flows into your GSTR-2B once the distributor files GSTR-1, and it is fully available as input tax credit. When you sell locally in Tamil Nadu you charge CGST and SGST, and the law lets you use IGST credit against both, with the portal applying the set-off order automatically. There is no cost disadvantage in buying from out-of-state distributors, provided they are compliant filers; a distributor who files late delays your credit by a month. Track supplier filing discipline as part of vendor selection. Retailers in Porur can call +91 - 9600 606 444 for a supplier compliance scorecard.
What documents are required for GSTR-1 & GSTR-3B monthly filing in Porur?
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.
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.
Do you provide gst return filing for small businesses and proprietorships in Porur?
Yes. A large share of our clients in Porur 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.
Explore

Related GST Services & Nearby Areas

Ready to Sort Out Your GST?

Received a GST notice or stuck on the portal? Call +91 - 9600 606 444 for immediate help with 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