India is one of the 181 members of WCO that has been using the HSN code since 1986 to categorize commodities for Customs and Central Excise.
HSN or Harmonized system of nomenclature is a type of code developed by the World Customs Organization (WCO) to classify goods around the world in a systematic way. This six-digit code separates different products and is used to separate Customs and Central Excise goods.