Businesses operating within a state with a turnover of more than INR 20 lakhs must pay GST. Businesses that conduct business across multiple states must pay the Goods and Services Tax regardless of their annual revenue. IrrespectiaBusinesses operating within a state with a turnover of more than INR 20 lakhs must pay GST full form- “Goods and Services Tax.” In addition, companies across multiple states must pay the GST regardless of their annual revenue.ve of their income, service providers must pay tax.