GST in Coimbatore: CGST, Tamil Nadu SGST, and IGST — FY 2025-26 Guide
Goods and Services Tax (GST) in Coimbatore, Tamil Nadu operates under a dual structure administered jointly by the Government of India and Tamil Nadu state government. Whether you are a business owner in the TIDEL Park / Peelamedu area, a consumer buying services inCoimbatore, or a freelancer invoicing clients across India, the applicable GST component — CGST + Tamil Nadu SGST or IGST — depends on whether the supply is intra-state or inter-state. Coimbatore is often called the 'Manchester of South India' for its textile and pump manufacturing industry — a heritage that gives it India's 2nd highest number of registered MSME companies after Mumbai. Tamil Nadu's professional tax of Rs 1,095/year is among India's lowest for states that have PT (compared to Rs 2,500 in Maharashtra). Coimbatore's manufacturing-wealth households hold among the highest FD balances per capita in Tamil Nadu.
CGST vs Tamil Nadu SGST vs IGST: How It Works in Coimbatore
The fundamental rule:
- Intra-state supply (supplier and recipient both in Tamil Nadu): GST = CGST (central government) + Tamil Nadu SGST (Tamil Nadu government), each at half the total GST rate. On a Rs 1,00,000 invoice at 18%: CGST Rs 9,000 (9%) + Tamil Nadu SGST Rs 9,000 (9%).
- Inter-state supply (supplier in Tamil Nadu, recipient in another state, or vice versa): GST = IGST at the full rate. Same Rs 1,00,000 invoice at 18%: IGST = Rs 18,000 (18%), all to central government (then apportioned to destination state).
- Import of services: IGST under Reverse Charge Mechanism (RCM) — the recipient in Coimbatore pays GST to the government. Common for Coimbatore's businesses using foreign software, cloud services, or overseas consultants.
GST Rates Applicable to Coimbatore's Economy
The four main GST rate slabs apply uniformly across Coimbatore:
- 5% GST: Essential goods and basic services. For Coimbatore: non-AC restaurant meals (no ITC for restaurant), economy hotel stays (room rate below Rs 7,500/night), packaged foods with certain HSN codes, economy air travel (excluding fuel surcharge), electric vehicles, and textile goods below Rs 1,000.
- 12% GST: Mid-range goods and services. Relevant for Coimbatore: hotel stays Rs 7,500–12,000/night, processed food, computers and laptops (with exceptions), smartphones above Rs 20,000 category, business class air travel, construction of affordable housing.
- 18% GST: Most services and manufactured goods. This is the dominant GST rate for Coimbatore's Manufacturing sector — IT services, consulting, financial services, insurance (excl. life insurance), telecom, steel, chemicals, paints, AC restaurants, hotel stays above Rs 12,000/night.
- 28% GST: Luxury and demerit goods. Coimbatore: automobiles (plus cess), luxury hotels, tobacco products, gambling and racing activities, luxury cement. Plus additional cess on many 28% items.
Manufacturing Sector GST in Coimbatore
Coimbatore's Manufacturing sector has specific GST implications that businesses and professionals here must navigate:
- Gold and jewellery: 3% GST on gold (fine gold, ornaments, bars). On Rs 5,00,000 worth of gold: GST = Rs 15,000. Making charges on jewellery attract 5% GST: on Rs 50,000 making charges, GST = Rs 2,500.
- No ITC on gold: Jewellers cannot claim Input Tax Credit on gold purchased — making accurate job work and valuation critical for Coimbatore's jewellery trade.
- Capital goods: 18% GST on machinery, equipment, and industrial inputs — fully claimable as ITC for manufacturing businesses in Coimbatore's industrial areas. Proper tracking of capital goods ITC over 5 years (reversed if sold before) is critical.
- Raw material inputs: GST rate varies by HSN code — 5% for textiles, 12% for some chemicals, 18% for metals and engineering goods. ITC chain must be maintained.
- Professional and consulting services: 18% GST under SAC 9983/9985. Freelancers and consultants in Coimbatore billing above Rs 20L/year must register for GST and charge 18% CGST + Tamil Nadu SGST on domestic invoices.
- Commercial property rent: If annual commercial rent in Coimbatoreexceeds Rs 20L and the landlord is a GST-registered entity, 18% GST applies. At estimated commercial rents of Rs 30,000/month in Coimbatore, annual commercial rent is Rs 3,60,000. Annual commercial rent is below Rs 20L — GST on rent may not apply if the landlord is under threshold.
Input Tax Credit (ITC) for Coimbatore Businesses
GST-registered businesses in Coimbatore can claim Input Tax Credit on GST paid for goods and services used in their business. ITC rules in Tamil Nadu:
- CGST paid can offset CGST or IGST liability; Tamil Nadu SGST paid can offset Tamil Nadu SGST or IGST; IGST can offset any GST liability (IGST first, then CGST, then SGST).
- Conditions for ITC: Valid tax invoice, goods/services received, GST filed by supplier (reflected in GSTR-2B), and payment made to supplier within 180 days.
- ITC blocked items: Motor vehicles (for personal use), employee-related food and beverages, club memberships, health insurance for employees (unless mandatory under law), works contract for immovable property.
- ITC reconciliation: GSTR-2B (auto-populated) vs your purchase register must be reconciled monthly. Mismatch can lead to ITC disallowance and penalty — a critical compliance task for Coimbatore's MSMEs and large businesses alike.
GST Registration Threshold and Compliance for Coimbatore
GST registration is mandatory in Tamil Nadu when aggregate turnover exceeds:
- Rs 40 lakh/year for goods suppliers (Rs 20L for special category states — not applicable to Tamil Nadu).
- Rs 20 lakh/year for service providers.
- Any threshold for inter-state supplies, e-commerce operators, or businesses with taxable supplies despite low turnover.
Coimbatore freelancers and consultants in the Manufacturing sector who provide services to clients in other states must register for GST irrespective of turnover — even a single inter-state invoice triggers mandatory registration. Return filing: GSTR-1 (monthly/quarterly for outward supplies) + GSTR-3B (monthly summary + tax payment) + GSTR-9 (annual reconciliation). Businesses in Coimbatore with turnover above Rs 5 crore must file GSTR-1 monthly. Below Rs 5 crore, quarterly GSTR-1 filing is available under the QRMP scheme.
Composition Scheme: For Small Coimbatore Businesses
Small Coimbatore businesses with annual turnover below Rs 1.5 crore (goods) or Rs 50 lakh (services) can opt for the Composition Scheme — pay a fixed percentage of turnover as GST (1% for goods, 6% for services including restaurants) without ITC. Composition dealers cannot raise a tax invoice or collect GST from customers, and cannot supply inter-state. This suits small retailers, restaurants, and service providers inCoimbatore's Saravanampatti and Peelamedu local markets who do primarily local business.
Disclaimer
GST rates and rules are based on notifications effective as of FY 2025-26. Specific HSN/SAC codes may attract different rates. Special economic zone (SEZ) supplies are zero-rated. E-invoicing is mandatory above certain turnover thresholds. Consult a GST practitioner or Chartered Accountant in Coimbatore for business-specific compliance guidance.