GST, or Goods & Services Tax, is an indirect tax levied by the government on all manufacture, sale, and consumption of goods and services in India. With the implementation of GST, we will all just pay a single tax – the Goods and Services Tax. If you sell on an e-commerce marketplace, GST information has to be maintained and furnished by you.
GSTIN is Goods & Services Tax Identification Number, with which you can access a digitized account of all taxation filed by you under GST regime. You will obtain this number by applying for GSTIN.