GST
Additional tax can be charged on imports that are in conflict with local produced and reviewed/adjusted as and when required to keep the balance "politically too" for local farmers, manufacturers, tourist purchase refunds, etc.
See typical GST & Tax in Singapore. You can search the same for China and other countries which are similar to India.
GST:
https://www.mof.gov.sg/Policies/Tax-Policies/Goods-and-Services-Tax
IMPORT DUTIES:
https://www.customs.gov.sg/businesses/valuation-duties-taxes--fees/duties-and-dutiable-goods more