What is GST? A Complete Guide to Goods and Services Tax in India

What is GST? A Complete Guide to Goods and Services Tax in India

On July 1, 2017, India adopted GST (Goods and Services Tax) to create a single market nationwide. First proposed in the Budget Speech on February 28, 2006, it aimed to reform India’s indirect tax system. After several amendments, the GST Act was finally implemented.

GST replaced multiple indirect taxes on goods and services. The Central Board of Indirect Taxes and Customs (CBIC) oversees all regulations and amendments.

What is GST?

GST (Goods and Services Tax) is an indirect tax on goods and services. It is a multi-stage, destination-based tax applied at every value addition. GST replaces multiple indirect taxes like VAT, excise duty, and service tax, unifying them under one tax system across India. In this system, tax is charged at each point of sale.

Main Objectives of GST

GST replaces multiple indirect taxes like VAT, service tax, and excise duty. Understanding its objectives helps in grasping its purpose better.

  1. Eliminates cascading tax effect – Taxes are charged only on the net value-added portion, decreasing the tax-on-tax burden and lowering costs.
  2. Merges indirect taxes – Most state and central indirect taxes are unified under GST.
  3. Boosts tax-to-GDP ratio – A higher tax base and compliance lead to better revenue for the government.
  4. Reduces corruption and tax evasion – Transparency in the tax system minimizes false input tax credits.
  5. Increases tax compliance – Simplifies registration and return filing, encouraging small businesses to comply.
  6. Improves productivity and efficiency – Streamlines logistics and input tax credit claims, boosting enterprise performance.

Types of GST in India

There are four types of GST:

  1. State Goods and Services Tax (SGST) – It is charged by the state government on intra-state transactions. The state collects the revenue.
  2. Central Goods and Services Tax (CGST) – It is charged by the central government on intra-state transactions. The central government collects the revenue.
  3. Integrated Goods and Services Tax (IGST) – It is applied to inter-state transactions, imports, and exports. Revenue is shared between the center and states.
  4. Union Territory Goods and Services Tax (UGST) – It is charged on transactions within Union Territories, with rules similar to SGST.

GST Tax Slabs and Rates

GST in India is divided into four slabs:

  • 5% Slab:
    • Goods – Items like apparel (up to ₹1,000), agarbatti, Braille items, cashew nuts, domestic LPG, edible oils, frozen vegetables, footwear (up to ₹500), medicines, paneer, postage stamps, sugar, tea, and more.
    • Services – Includes road transport (motor cabs, radio taxis), tour operator services, economy-class air travel, small restaurants (turnover up to ₹50 lakh), and railway/airway transport.
  • 12% Slab:
    • Goods – Ayurvedic medicines, almonds, apparel (above ₹1,000), butter, cakes, chutney, jam, mobile phones, namkeen, notebooks, sewing machines, and more.
    • Services – Hotels and inns with a tariff between ₹1,000-₹2,500 per night and business-class air tickets.
  • 18% Slab:
    • Goods – Aluminium foil, furniture, biscuits, branded clothing, CCTV, cameras, corn, curry paste, footwear (above ₹500), hair oil, ice cream, mineral water, pasta, printers, soaps, tampons, toothpaste, weighing machines, etc.
    • Services – Telecom services, IT services, AC hotels serving alcohol, and hotels with room tariffs between ₹2,500-₹5,000 per night.
  • 28% Slab:
    • Goods – Aerated water, personal aircraft, aftershave, motorcycles, ceramic tiles, chocolates (without cocoa), dishwasher, deodorants, paint, shampoos, vacuum cleaners, water heaters, washing machines, etc.
    • Services – 5-star hotels, gambling, race club betting, hotels with a room tariff of ₹5,000 and above, cinema, and entertainment.

Zero-rated GST applies to goods exempt from GST.

GST Rate Slabs

India has four main GST tax slabs5%, 12%, 18%, and 28%. Essential goods and services are in lower tax brackets, while luxury items fall in higher slabs. Over 1,300 goods and 500 services are categorized under these slabs.

  • Gold has a special 3% GST rate.
  • Semi-precious and rough precious stones are taxed at 0.25% GST.

How to Calculate GST

GST in India is calculated by adding up GST payable on reverse charge, inward supplies, and output supplies. This is done monthly, and you must pay the amount while filing your GST returns.

While calculating GST, consider reverse charge, exempted supplies, inter-state sales, and ITC eligibility. Paying the correct amount helps avoid an 18% interest penalty for short payments.

You can also use the GST calculator on the Government of India’s GST portal to determine your tax liability by entering details like return filing month, ledger balance, and tax liability under RCM.

GST calculation formula

GST amount = (actual price x GST rate) / 100

Net price = actual price + GST amount

example: Say you are selling a product from Mumbai and sending it to Banglore for Rs. 20,000, and the rate of GST applied on it is 12%.

The GST amount will be for it (20,000 x 12) / 100 = Rs. 2,400; with the net price will be Rs. 20,000 + Rs. 2,400 = Rs. 22,400.

How to Register for GST?

What is GST? A Complete Guide to Goods and Services Tax in India

Under the GST system, businesses that pay service tax, VAT, or central excise must register for GST. The registration process starts on the GST portal, where applicants submit their details. Once submitted, an ARN (Application Reference Number) is generated instantly.

With the ARN, applicants can track their application status or raise queries if needed. Usually, the GSTIN (15-digit GST Identification Number) and registration certificate are issued within a week of ARN generation.

GSTIN is mandatory for businesses with an annual turnover above ₹20 lakh. Let me know if you need more details!

Documents required for GST registration

GST registration documents needed by various eligible users to complete the procedure:

Sole proprietor or individual

  • PAN
  • Address proof
  • Aadhaar card (owner)
  • Bank account details
  • Photograph (Owner)

Partnership firms inclusive of LLP

  • PAN
  • Address proof (partners and place of business)
  • Bank account details
  • Copy of partnership deed
  • Registration certificate or board resolution (for LLP)
  • Photographs of authorized signatories and partners
  • Proof of appointing an authorized signatory

Hindu Undivided Family (HUF)

  • PAN (HUF)
  • Address proof
  • Bank account details
  • Photograph of the owner
  • Aadhaar card and PAN card (Karta)

Company (both Indian and foreign, public and private)

  • PAN (company)
  • Bank details
  • Address proof (principal place of business)
  • PAN and Aadhaar card (authorized signatories)
  • PAN and address proof (directors of the company)
  • Article of association or Memorandum of association
  • Proof of appointment of an authorized signatory
  • Photographs (directors and the authorized signatory)
  • Certificate of incorporation provided by the Ministry of Corporate Affairs

GST Returns and Compliance

GST Returns 

All GST-registered companies must submit monthly or quarterly GST returns, as well as an annual GST return, according to their company type. The GST site is where these GSTR filings are completed online.

What is a GST Return?

A GST return is a document that has details of all income/sales and/or expenses/purchases that a GST-registered taxpayer (every GSTIN) needs to file and the tax administrative authorities. This is utilized to calculate net tax liability by tax authorities.

Under GST, a registered agent has to file GST returns including:

  • Purchases
  • Sales
  • Output GST (On sales)
  • Input tax credit (GST paid on purchases)

Check out the Clear GST software, which allows the import of data from multiple ERP systems, like Tally, Busy, and bespoke Excel, to name only a few, for GST filings or returns. Users of Tally have the option to upload files and data directly using the desktop version of the app.

Who Should File GST Returns?

Under GST, businesses with an annual turnover exceeding ₹5 crore (and those not in the QRMP scheme) must file two monthly returns and one annual return, totaling 25 returns per year.

Businesses with a turnover of up to ₹5 crore can opt for the QRMP scheme, filing 9 returns annually—four GSTR-1, four GSTR-3B, and one annual return. However, they must pay tax monthly.

Special cases, like composition dealers, must file 5 returns per year—four CMP-08 statements and one GSTR-4 annual return.

How Many Returns Are There Under GST?

There are 13 types of GST returns, including GSTR-1, GSTR-3B, GSTR-4, GSTR-5, GSTR-5A, GSTR-6, GSTR-7, GSTR-8, GSTR-9, GSTR-10, GSTR-11, CMP-08, and ITC-04. Not all taxpayers need to file every return—it depends on the registration type.

Taxpayers with turnover exceeding ₹5 crore must also file a self-certified GSTR-9C reconciliation statement.

Additionally, taxpayers have access to GSTR-2A (dynamic) and GSTR-2B (static) for input tax credit details. QRMP taxpayers can use the Invoice Furnishing Facility (IFF) for B2B sales in the first two months of each quarter but must pay taxes monthly via Form PMT-06.

GST compliance

GST compliance ensures businesses follow tax laws, avoiding penalties and legal issues. It promotes transparency, enhances credibility, and ensures timely tax credits, benefiting the economy.

What is GST Compliance?

GST compliance means following GST rules, including timely registration, accurate invoicing, regular return filing, and proper record-keeping. It helps businesses operate legally, avoid penalties, and build trust.

Key aspects:

  • GST Registration: Businesses exceeding the turnover threshold must register and get a GSTIN.
  • Accurate Invoicing: Invoices must have GSTIN, HSN code, and GST amount for proper tax credit claims.
  • Filing Returns: Businesses must file GSTR-1, GSTR-3B, and other returns on time to avoid penalties.
  • Record Maintenance: Proper records of sales, purchases, and inventory help in audits and compliance.

GST Registration Compliance

Businesses must register for GST if they meet the turnover criteria. Registration ensures legal operations and prevents penalties. Keeping business details updated on the GST portal is important for accuracy.

Why Stay GST Compliant?

Compliance increases credibility and helps businesses to avoid legal trouble. A high GST rating benefits businesses by:

  • Enhancing Reputation: Builds trust with stakeholders.
  • Smoother Transactions: Reduces disruptions in operations.
  • Fewer Audits: Lowers scrutiny from tax authorities.
  • Attracting Investors: Shows financial stability.

Benefits of a High GST Compliance Rating

A strong rating provides many benefits:

  • Easier Tax Credits: Faster input tax credit claims.
  • Fewer Audits: Reduces tax authority interventions.
  • Better Business Reputation: Gains trust from customers and partners.
  • More Opportunities: Increases chances for collaborations and investments.

Tax Invoice Compliance

Businesses must issue GST-compliant invoices with:

  • GSTIN and HSN Code
  • Correct GST Amount
  • Complete and Accurate Details
    This helps in smooth tax credit claims and legal compliance.

GST Return Compliance

Filing GST returns on time is very important. Businesses should:

  • Submit GSTR-1, GSTR-3B, and annual returns properly.
  • Ensure timely filing to avoid penalties.
  • Maintain compliance for a strong legal standing.

How a GST Calculator Helps

A GST calculator helps to simplify compliance by:

  • Accurately computing GST liabilities.
  • Ensuring correct tax credit claims.
  • Avoiding calculation errors.
  • Improving financial planning.

Staying GST compliant helps businesses run smoothly, avoid penalties, and gain a competitive edge.

What are the benefits of GST?

The benefits of GST are-

  • ‘One Nation, One Tax’: GST replaced multiple indirect taxes, ensuring a uniform tax rate across all states. This simplified tax compliance and administration.
  • Simplification of Indirect Taxes: GST created a centralized and unified tax system, merging most indirect taxes into one. This made tax filing and collection more efficient.
  • Prevention of Tax Evasion: Before GST, tax evasion was widespread. With a centralized tax surveillance system, GST has helped reduce tax fraud and improve compliance.

Advantages and Disadvantages of GST

Advantages of GST

  1. Eliminates the Cascading Effect of Tax: GST helps remove the cascading tax effect, also known as ‘Tax on Tax.’ Before GST, businesses had to pay multiple indirect taxes without any set-off for previously paid taxes. GST allows businesses to claim input tax credits, decreasing their overall tax burden.
  2. Higher Threshold for Registration: Under the previous tax regime, businesses with a turnover exceeding ₹5 lakh (in most states) had to register for VAT, while service tax was applicable above ₹10 lakh. GST raised this threshold to ₹20 lakh (₹10 lakh for northeastern states), benefiting small traders and service providers.
  3. Composition Scheme for Small Businesses: Businesses with a turnover between ₹20 lakh and ₹75 lakh can opt for the Composition Scheme, which allows them to pay lower taxes and reduces compliance requirements. This simplifies tax administration for small businesses.
  4. Simplified and Online Tax Filing Process: GST introduced a fully digital tax filing system, making processes like registration and return filing easier. This has particularly helped start-ups and small businesses by eliminating the need to register under multiple tax authorities like VAT, excise, and service tax.
  5. Reduction in Compliance Requirements: Under the earlier system, businesses had to comply with different tax structures like VAT (varied by state), excise duty, and service tax. GST has streamlined these into a unified structure, reducing the number of returns to be filed.
  6. Special Provisions for E-Commerce Operators: Before GST, e-commerce companies had to comply with different state VAT regulations. GST has brought uniformity in tax treatment for online marketplaces, making inter-state transactions easier.
  7. Improved Efficiency in Logistics: Earlier, companies maintained multiple warehouses in different states to avoid Central Sales Tax (CST) and state entry taxes. GST removed these restrictions, allowing businesses to consolidate operations and reduce logistics costs.
  8. Regulation of the Unorganized Sector: Industries like construction and textiles were largely unregulated before GST. With GST’s digital tracking system and input tax credit requirements, businesses must maintain proper records, improving transparency and compliance.

Disadvantages of GST

  1. Increased Costs Due to Software and Training:Businesses need to upgrade their accounting software to comply with GST regulations. Also, employees need training to understand GST filings, adding to operational costs.
  2. Penalties for Non-Compliance: Small businesses have had to adapt to issuing GST-compliant invoices, to maintain digital records, and filing returns on time. Non-compliance can result in penalties, making tax adherence important.
  3. Higher Operational Costs: Businesses always need tax consultants to ensure proper GST compliance. Hiring experts and training employees has increased expenses, particularly for small and medium-sized enterprises (SMEs).
  4. Mid-Year Implementation Challenges: GST was implemented on July 1, 2017, in the middle of the financial year, because of initial confusion. Businesses had to manage the transition between old tax laws and the new system simultaneously.
  5. Full Dependence on Online Systems: GST filings and payments are entirely online, which posed a challenge for small businesses that were used to manual paperwork. Companies had to quickly adapt to digital invoicing and tax reporting.
  6. Higher Tax Burden for Some SMEs: Previously, businesses with a turnover below ₹1.5 crore were exempt from excise duty. Under GST, the threshold is ₹20 lakh, meaning smaller businesses must now pay GST unless they opt for the Composition Scheme (which comes with restrictions like no input tax credit).

While GST has streamlined tax administration, businesses have had to invest time and money in adapting to the new system. Over time, these challenges are expected to ease, making GST a more beneficial tax reform.

Conclusion

Therefore, if you are qualified and haven’t done so yet, register for the Goods and Services Tax. If you want to avoid any trouble, you should also submit a Goods and Services Tax Return and pay your taxes before the due date.

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