The 6 major sources of tax revenue are Income tax, corporate tax, Goods and Services Tax (GST), Customs duties, Union Excise duties, Wealth tax and gift tax. You can read about the Taxation System in India – Types, GST, VAT, Objectives, Limitation, Laffer Curve in the given link.
Other important sources of Government revenues are disinvestments, and profits from public sector undertakings. GST is an indirect tax, whereas income tax, and corporate tax are direct taxes.
- Goods & Services Tax (GST) – One Nation One Tax
- Double Taxation Avoidance Agreement (DTAA) – Countries Involved, Income Tax Provisions