what is cgst?

What is CGST? Full Form, Features, Rates, and Calculation

Learn what CGST is (CGST full form), how it works in India, key features, CGST rates in India, and a simple method to calculate CGST

Written by : Knowledge Centre Team

2026-07-08

1266 Views

7 minutes read

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Ever noticed a GST invoice showing CGST and SGST separately? This split reflects India’s dual GST system, where both the Centre and States share tax revenue without double taxation. The Central Goods and Services Tax (CGST) is the Centre's share, levied alongside SGST (State GST) or UTGST (Union Territory GST) on all intra-state supplies of goods and services. 

This blog explains what CGST is, how it works, CGST rates in India, and how to calculate it with a simple step-by-step method.

Key Takeaways

  • CGST full form is Central Goods and Services Tax, charged by the Centre on intra-state supply under GST

  • On within-state invoices, GST is usually split equally into CGST + SGST/UTGST (e.g., 18% = 9% CGST + 9% SGST)

  • CGST rates in India typically follow GST slabs (0%, 5%, 12%, 18%, 28%) plus special rates for select items

  • CGST calculation is simple: CGST = Taxable value × CGST rate ÷ 100 (with SGST computed separately on the same base)

  • Input Tax Credit (ITC) helps eligible businesses reduce net GST outflow by adjusting GST paid on purchases against GST payable on sales

What is CGST? Meaning and Background

CGST or Central Goods and Services Tax is an indirect tax levied by the Central Government in 2017 on intra-state supplies (within the same state or Union Territory) of goods and services in India. 

In practical terms, when a sale happens within the same state, GST is typically split into CGST, the Centre’s share, and SGST, the State’s share, and the CGST portion goes to the Central Government.

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How Does  CGST Work in India?

Simply put, CGST applies when the supplier and the place of supply are in the same state or UT, making the tax an intra-state transaction under India's dual GST structure. 

  1. ​Intra-State Supply Split: When goods/services are supplied within the same state, the total GST rate is split equally into CGST and SGST/UTGST. For example, if GST is 18%, the invoice typically shows 9% as CGST and 9% as SGST.

  2. Collection and Credit Flow: The supplier collects CGST from the customer at the time of sale and credits it when filing GST returns. Any CGST paid on earlier purchases can be used to reduce this amount, so the business pays only what's left after adjusting the credit.  

  3. ​Payment Through GST Ledgers: The supplier collects CGST on the taxable value and reports it in GST returns. Eligible ITC can be used to reduce tax liability.

Features of CGST

CGST is designed to make central taxation of domestic (within-state) trade more uniform, transparent, and credit-friendly within a unified GST system. From compliance to ITC, its structure directly shapes how invoices are issued, how tax is paid, and how credits are claimed across the supply chain.

  • ​Levied on Intra-State Supplies: CGST applies to intra-state transactions and is charged alongside SGST/UTGST on the same invoice

  • Revenue Goes to Centre: CGST is collected by the Central Government, while SGST is collected by the respective State Government

  • Input Tax Credit Availability: CGST allows eligible businesses to reduce output tax liability using CGST paid on purchases

  • Part of Dual GST Structure: CGST works within India’s dual GST system, where the Centre and States levy tax simultaneously on a common base

​CGST Rates in India: Current Slabs and Structure

CGST rates in India generally follow the overall GST slab structure,  as CGST is typically half the total GST rate on intra-state supplies. For example, a 5% GST slab means  2.5% CGST + 2.5% SGST.

Total GST Slab (indicative)

Typical CGST Rate on Intra-State Supply

Typical SGST Rate on Intra-State Supply

Examples (Illustrative)

0%

0%

0%

Essential items/services (examples listed are illustrative and may change based on GST notifications, such as  many basic food items and healthcare services)

5%

2.5%

2.5%

Many basic necessities (e.g., edible oils, sugar, domestic LPG)

12%

6%

6%

Certain goods (illustrative examples include butter/ghee/fruit juices, etc.)

18%

9%

9%

Many goods and most services (e.g., soap and toothpaste)

28%

14%

14%

Select luxury/sin goods (illustrative examples include luxury cars, cigarettes, etc.)

How CGST is Calculated: Step-by-Step Guide

Understanding how to calculate CGST helps businesses and consumers verify tax amounts on invoices. This CGST calculation follows a simple formula, which you can easily do by following the steps below: 

  1. Step 1: Identify the taxable value of the goods or services on which GST applies. To successfully figure out the tax on your total bill, first identify what category your purchased item falls under. 

  2. Step 2: Confirm the applicable total GST slab rate for the supply from the table above or the official website

  3. Step 3: Divide the total GST rate by 2 to determine the CGST and SGST costs. After figuring out the individual tax rates, you will better understand the tax bifurcations on your bill  

  4. Step 4: Use the formula, CGST = (Taxable value × CGST rate) ÷ 100, to be able to calculate the CGST on your bill

  5. Step 5: Add CGST (along with SGST) to the taxable value to calculate the final invoice amount

Input Tax Credit Under CGST

Input Tax Credit (ITC) can be claimed only if the eligibility conditions under the CGST Act are met, such as possession of a valid tax invoice and receipt of goods or services. The CGST Act’s payment framework (Section 49) states that self-assessed ITC is credited to the electronic credit ledger and can be used to pay output tax as permitted. This mechanism helps avoid a ‘tax on tax’ across the supply chain.

Do you know

Did You Know?

IGST ITC can be used against CGST/SGST in a set utilisation order. So it’s not just having ITC, but also the set-off sequence that matters
 

Source: GST Council

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Difference Between CGST, SGST, and IGST 

Understanding the distinction between CGST, SGST, and IGST is essential for determining how GST is levied and distributed, depending on whether a transaction takes place within a state or across states. The table below highlights the key differences:

Parameter

CGST

SGST

IGST

Full form

Central Goods and Services Tax

State Goods and Services Tax

Integrated Goods and Services Tax

Applies on

Intra-state supply (within the same state/UT)

Intra-state,  which means that it is within the same state or UT

Inter-state supply (between states/UTs)

Collected by

Central Government

State Government/UT (as applicable)

Centre (for inter-state), as described under the GST framework

Invoice visibility (typical)

Shown along with SGST on intra-state invoices

Shown along with CGST on intra-state invoices

Shown as a single IGST line on inter-state invoices

Conclusion

CGST forms an essential pillar of India’s GST structure for intra-state transactions. One of the biggest strengths of GST is its transparency, tax applicability, and intent, with the role of input tax credit clearly visible, helping businesses reduce effective tax outgo when eligible.

For personal financial planning, an important point worth noting is that GST on life insurance plans is 0%. If you aim to protect your family with pure protection cover, reviewing suitable term insurance options and locking in adequate coverage early can be prudent. Choosing a term plan that aligns with income, liabilities, and long-term goals allows families to prioritise protection at the right stage. Acting early is often the most effective decision.

Glossary

  1. Taxable Value: The financial worth of a good, service, or property that is subject to taxation by a government authority
  2. Intra-state Supply: A supply where the seller and the place of supply are located within the same State or Union Territory
  3. Output Tax: The GST charged on sales that a business collects from its customers for the goods or services it supplies
  4. Input Tax Credit (ITC): Allows businesses to reduce GST liability by claiming credit for GST paid on eligible purchases
  5. Electronic Credit Ledger: GST portal ledger where eligible ITC is credited for utilisation against tax
Glossary book
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FAQs

CGST stands for Central Goods and Services Tax. The “central” component of GST is charged on intra-state sales and collected by the Central Government.

CGST is the GST component charged by the Centre on supplies made within the same State/UT, usually shown along with SGST/UTGST on invoices.

CGST applies when the supplier and place of supply are in the same State/UT (intra-state supply). For inter-state supply, IGST applies instead

In India, CGST rates typically match half of the corresponding GST slab, e.g., 5% GST = 2.5% CGST, 12% GST = 6% CGST, 18% GST = 9% CGST, and 28% GST = 14% CGST.

Compute CGST on taxable value: CGST = Taxable value × CGST rate ÷ 100. Example: ₹1,000 at 9% CGST = ₹90 CGST (plus SGST separately).

CGST is charged with SGST but not with IGST. IGST is the only interstate tax, while both CGST and SGST are intrastate taxes. This means that CGST works alongside SGST on intra-state supplies, while IGST replaces both for inter-state supplies

Input Tax Credit (ITC) under CGST is the credit a business can claim for GST already paid on purchases, inputs, goods and services, which can be used to offset future GST liability.

As of June 2026, GST is not applicable to individual life insurance premiums, and therefore, CGST is not charged on it.

Disclaimer - This article is issued in the general public interest and meant for general information purposes only. The views expressed in this blog are solely those of the writer and do not necessarily reflect the official policy or position of Canara HSBC Life Insurance Company Limited or any affiliated entity. We make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability with respect to the blog or the information, products, services, or related graphics contained in the blog for any purpose. Any reliance you place on such information is therefore strictly at your own risk. You should consult with a qualified professional regarding your specific circumstances before taking any action based on the content provided herein.

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