Business Entities: Any enterprise with an aggregate annual turnover exceeding Rs. 40 lakhs. For special category states under GST, the threshold is Rs. 20 lakhs.

• Service Providers: Those with an aggregate annual turnover surpassing Rs. 20 lakhs. For special category states, this limit is Rs. 10 lakhs.
• Exemptions: It’s important to note that entities dealing exclusively in GST-exempted goods or services are not bound by these thresholds.
• Previously Registered Entities: Entities that were registered under older tax frameworks (like Excise, VAT, Service Tax, etc.) need to migrate and register under the GST regime.
• Inter-State Suppliers: Any entity or individual involved in the supply of goods across state boundaries.
• Casual Taxable Entities: Those who undertake taxable supply occasionally.
• Entities under Reverse Charge Mechanism: Businesses obligated to pay tax under the reverse charge.
• Input Service Distributors & Agents: Distributors of input services, including their representatives.
• E-Commerce Platforms: Operators or aggregators of e-commerce platforms
• Non-Resident Taxable Entities: Individuals or entities that are non-resident but engage in taxable supply within India.
• Supplier’s Agents: Representatives who supply on behalf of a principal supplier.
• E-Commerce Suppliers: Individuals or entities that offer goods or services through an e-commerce aggregator.
• Online Service Providers: Entities delivering online information, database access, or retrieval services from outside India to an individual in India, excluding those already registered under GST.

Overall, a GST consultant plays a crucial role in helping businesses navigate the complexities of GST laws and regulations, ensuring compliance, minimizing tax liabilities, and optimizing GST-related processes for efficient business operations.