Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Medavakkam · PIN 600100

Trusted GSTR-1 & GSTR-3B Monthly Filing Support in Medavakkam

Complete GSTR-1 & GSTR-3B Monthly Filing in Medavakkam from Rs.749 — documentation, preparation, filing and acknowledgement, all managed by one accountable team. One call or WhatsApp message starts the process, and you get a same-working-day response.

  • 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 Medavakkam
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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Local Expertise

Trade Profile and GST Jurisdiction for Medavakkam

Businesses in Medavakkam looking for GSTR-1 & GSTR-3B Monthly Filing want two things: work done correctly and someone answerable when questions come. Medavakkam's junction links Velachery, Tambaram, Sholinganallur and Mambakkam, making it one of south Chennai's fastest-selling apartment markets, ringed by builders, hardware and sanitaryware dealers, supermarkets and tuition centres along Medavakkam Main Road and the Sholinganallur route. Promoters using the 1 and 5 per cent residential rates must source at least 80 per cent of inputs from registered suppliers or pay tax on the shortfall under reverse charge. We serve this belt — including Pallikaranai and Madipakkam — with fixed fees quoted upfront, a written document checklist, and filings completed ahead of statutory due dates. Every acknowledgement is shared the day it is generated, and our support continues if the department raises any query on work we have filed.

GST jurisdiction for Medavakkam (PIN 600100): businesses here generally fall under the CGST Chennai South Commissionerate. We regularly represent clients from Medavakkam 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 Medavakkam
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 Medavakkam 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 Medavakkam Businesses Choose ChennaiGST

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

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Complete Documentation, Properly Archived

Every acknowledgement, challan, computation sheet and filed return is saved and shared with you in an organised folder. When a bank, buyer or GST officer asks for a document from two years ago, it reaches you the same day without any scrambling.

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Same-Day Response, Every Working Day

Send your query on call or WhatsApp and you hear back the same working day, usually within a few hours. When a due date is close or a notice has landed, waiting two days for a reply is simply not acceptable, and we know it.

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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 Medavakkam are never held up by a compliance gap at the gate.

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Every Return Reviewed by a Senior Consultant

No filing leaves our desk on a junior's judgement alone. A senior GST practitioner reviews your figures, ITC claims and tax computation before submission, so errors are caught at our table and not by the department months later through a notice.

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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.

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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.

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 Medavakkam

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.

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Peace of Mind Around Due Dates

The 11th and the 20th stop being days of dread. You approve a prepared draft, we file, and the acknowledgement lands on your WhatsApp — month after month, without drama.

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Fewer Errors at the Billing Counter

Your billing staff are guided on invoice fields, rates and series discipline, so mistakes are prevented where they originate — at the counter — instead of being repaired later in the returns.

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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.

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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.

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A Written Trail for Every Decision

Tax positions, rate choices and credit calls are documented as they are made, so if a question arises years later, the reasoning and evidence are on file rather than in someone's fading memory.

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Export Benefits Fully Utilised

With the LUT filed at the start of each financial year and refund claims tracked to credit, exporters supply without blocking funds in IGST and recover accumulated credit on schedule.

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.
Portal credentials and dataLogins handled by a small engaged team under strict confidentiality, with credentials stored securely and never passed onward.Passwords circulating on chats with freelancers and part-timers, and no accountability for who has accessed your business data.
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.
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.
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.
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.
Case Law & Notifications

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

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

Portal Advisory

30-day e-invoice reporting window extended to Rs 10 crore taxpayers

GSTN Advisory, November 2024 — 30-day IRP reporting limit for AATO Rs 10 crore and above · 2024-11

GSTN advised that from 1 April 2025, taxpayers with annual aggregate turnover of Rs 10 crore and above cannot report e-invoices on the Invoice Registration Portals beyond 30 days from the document date. The restriction, earlier applicable only to very large taxpayers of Rs 100 crore and above, covers invoices, credit notes and debit notes. The IRP validation simply rejects documents older than 30 days, so late reporting becomes impossible.

How we apply it: Automate same-day or same-week IRN generation, because an invoice missed beyond 30 days cannot be e-invoiced at all and endangers the buyer's ITC.

Case Law

Interest cannot be recovered without first issuing a show cause notice

LC Infra Projects (P) Ltd v. Union of India — Karnataka High Court, judgment dated 22 July 2019 · 2019-07-22

The department demanded interest for delayed payment of tax and attached the taxpayer's bank account without first issuing any show cause notice. The High Court held that issuance of a show cause notice is a mandatory pre-condition before recovery of interest, because the taxpayer must have an opportunity to dispute the period and the computation. The recovery action and the bank attachment were quashed, with liberty to the department to proceed afresh after proper notice.

Practical effect: Interest cannot be lifted from your bank account without warning — insist on a show cause notice and a chance to verify the calculation.

GST Council

One-time option for ongoing projects to stay at 8 or 12 per cent with input credit

34th GST Council Meeting (video conferencing) — 19 March 2019 · 2019-03-19

The Council gave promoters a one-time option to continue paying tax at the old effective rates of eight or twelve per cent with input tax credit on ongoing projects, meaning buildings where both construction and actual booking had started before 1 April 2019 and which were not completed by 31 March 2019. The option had to be exercised once within a prescribed time frame, failing which the new rates applied automatically. Credit for projects moving across was to be transitioned pro rata.

Practical effect: Chennai builders who did not formally exercise the option in 2019 are on the one and five per cent no-credit rates, and any credit claimed since then is exposed to reversal.

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 gst return filing for small businesses and proprietorships in Medavakkam?
Yes. A large share of our clients in Medavakkam 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.
What documents are required for GSTR-1 & GSTR-3B monthly filing in Medavakkam?
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 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.
My shop was closed for a month. Can I skip filing GST returns for that period?
No. Once you hold an active GSTIN, returns must be filed for every tax period regardless of business activity. If there were no sales and no purchases, you must file nil GSTR-1 and nil GSTR-3B for that month. Skipping creates a break in the sequential filing chain, blocks future returns, accumulates late fees and can eventually lead to suspension of registration. Nil returns take only minutes and can even be filed by SMS. If your business in Medavakkam has periods of inactivity, ask us about our low-cost nil filing plan.
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.
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 Medavakkam.
How are B2B and B2C invoices reported differently in GST returns?
B2B invoices, meaning supplies to registered buyers, are reported invoice by invoice in Table 4 of GSTR-1 with the buyer's GSTIN, so each one flows into that buyer's GSTR-2B for credit. B2C supplies are split into two streams: large inter-state invoices above the threshold are reported invoice-wise in Table 5, while all remaining B2C sales are reported as consolidated, rate-wise totals per state in Table 7. This is why capturing the buyer's GSTIN correctly at billing matters so much; an invoice keyed as B2C by a cashier gives the registered buyer no credit and triggers correction requests later.
What is the difference between CPIN and CIN, and how long is a GST challan valid?
When you generate a challan in Form PMT-06 on the portal, the system issues a fourteen-digit Common Portal Identification Number, the CPIN, which identifies the unpaid challan and remains valid for fifteen days. Once the bank receives your payment, a seventeen-digit Challan Identification Number, the CIN, is generated, comprising the CPIN plus the bank code, and the amount credits your electronic cash ledger. If a challan expires unpaid, simply generate a fresh one; no consequence follows. Payment modes include net banking, UPI, cards, NEFT or RTGS, and over-the-counter deposit up to Rs.10,000 per challan per tax period.
What is the late fee for filing GSTR-9 after the due date?
From FY 2022-23 onwards, the late fee is turnover-linked. For turnover up to Rs.5 crore it is Rs.50 per day (Rs.25 CGST plus Rs.25 SGST) capped at 0.04 percent of turnover; for turnover between Rs.5 crore and Rs.20 crore it is Rs.100 per day with the same cap; and above Rs.20 crore it is Rs.200 per day capped at 0.5 percent of turnover. The fee accrues until the date of filing, so delays get expensive for larger businesses. Filing before 31 December avoids the entire cost.
How do I claim credit of the IGST paid on imported goods?
IGST paid at customs on imported goods is fully creditable, with the bill of entry serving as the prescribed duty-paying document instead of a tax invoice. The data flows from ICEGATE into your GSTR-2B, and the claim is made in Table 4(A)(1) of GSTR-3B. If a bill of entry does not appear, use the search BoE facility on the GST portal to fetch the record before assuming it is missing. Remember that basic customs duty and the social welfare surcharge are never creditable; only the IGST and compensation cess components are. Importers in Medavakkam should reconcile their ICEGATE ledger with GSTR-2B quarterly, because clearance-date mismatches are frequent.
My business had zero sales this month. Do I still need to file GST returns?
Yes. Every registered taxpayer must file returns for every tax period, even when there are no sales, no purchases and no tax liability. In that case you file nil GSTR-1 and nil GSTR-3B. Failure to file nil returns attracts a late fee of Rs.20 per day per return, capped at Rs.500 per return, and breaks the sequential filing chain. Prolonged non-filing can lead to suspension and eventually cancellation of your GSTIN. Our nil return plan for dormant businesses in Medavakkam starts at just Rs.749 per month.
By when must I issue a tax invoice when I sell goods?
For goods, Section 31 requires the tax invoice to be issued before or at the time of removal of the goods, where the supply involves movement, or before or at the time of delivery or making the goods available in other cases. In simple terms, the invoice must travel with the goods; a lorry leaving your Medavakkam godown without an invoice is exposed to detention even if the e-way bill exists. For continuous supplies of goods with successive statements or payments, the invoice must be issued when each statement is issued or each payment is received.
What GST do hotels charge on room tariffs after the 2025 rate changes?
From 22 September 2025, hotel accommodation with a value of supply up to Rs.7,500 per unit per day attracts 5 percent GST without input tax credit, and accommodation above Rs.7,500 attracts 18 percent with input tax credit. The earlier 12 percent slab for mid-range rooms was abolished in the rate rationalisation. Tax applies on the actual transaction value charged, so a discounted rate below Rs.7,500 falls in the 5 percent bracket even if the printed tariff is higher. Hotels should reconfigure billing software slab-wise and watch the ITC restriction on the 5 percent category, which changes costing materially.
How do I register my DSC on the GST portal, and why does the emSigner error keep appearing?
After logging in, open My Profile and select Register or Update DSC, choose the authorised signatory's PAN, and sign with the USB token; the certificate must be Class 3 and the PAN on it must match the signatory's PAN on the portal. Signing requires the emSigner utility running in the background, and the common failure to establish connection error means emSigner is not started, is blocked by the browser, or another application occupies its port. Run emSigner as administrator, keep the token connected, and use the trusted-site settings the portal recommends. We troubleshoot DSC issues for Medavakkam companies routinely; call +91 - 9600 606 444.
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 Medavakkam 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.
How do I choose a good GST consultant near me in Medavakkam?
Look for four things: familiarity with the GST portal's actual workflows rather than just theory, responsiveness around due dates such as the 11th for GSTR-1 and the 20th for GSTR-3B, transparent fixed pricing instead of vague estimates, and the ability to handle departmental work like clarification notices, amendments and revocations, not just routine filing. Ask how they track your ARNs and deadlines, and whether they share acknowledgements after every filing. ChennaiGST serves businesses across Medavakkam with fixed-fee packages starting at Rs.749, and every filing is confirmed back to you with the portal acknowledgement. Call +91 - 9600 606 444 for a free initial consultation.
What are the GST rates on gold, silver and diamond jewellery?
The special rates on precious metals were retained in the GST 2.0 restructuring. Gold, silver and articles of jewellery attract 3 percent GST, rough and unworked diamonds attract 0.25 percent, and jewellery making charges billed separately attract 5 percent. When a jeweller bills a customer, the metal value and making charges can appear as separate line items with their respective rates on the same tax invoice. Old gold purchased from an unregistered customer in exchange transactions does not attract GST in the customer's hands, but valuation of the net supply must be documented carefully.
Our head office in Medavakkam supports branches in other states. Is a cross-charge invoice really required?
Yes. Branches with separate GSTINs are distinct persons, and Schedule I treats supplies between them as taxable even without consideration. Services your head office renders to branches, such as accounting, IT support or management oversight, should be cross-charged through a tax invoice with IGST, which the branch claims as credit. On valuation, Rule 28 helps: where the recipient branch is entitled to full ITC, the value declared on the invoice is deemed to be the open market value, and Circular 199/11/2023 clarifies that internally generated services need not include the salary cost of head office employees. A documented cross-charge policy keeps audits short; call +91 - 9600 606 444 to set one up.
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.
How long does GSTR-1 & GSTR-3B monthly filing take in Medavakkam?
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 Medavakkam businesses?
Businesses in Medavakkam (PIN 600100) 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.
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