GST registration is required for all traders/business people/entities with a turnover over a certain threshold. Goods and Services Tax (GST) is an indirect tax that came into effect on July 1, 2017. It is imposed on the supply of goods and services across the country. It has also brought about uniformity in the indirect tax structure by replacing all pre-GST indirect taxes like as VAT, service tax, Excise duty, and so on. Simply defined, GST is based on the principle of "One Nation, One Tax.