What is HSN Code 1604?
HSN code 1604 is the Harmonized System of Nomenclature classification for Prepared Or Preserved Fish; Caviar And Caviar Substitutes Prepared From Fish Eggs under India's Goods and Services Tax (GST). It is a 4-digit code sitting at the heading (4-digit) level of the HSN hierarchy.
This code belongs to Chapter 16 — Preparations Of Meat, Of Fish, Of Crustaceans, Molluscs Or Other…, which is part of Section IV: Prepared Foodstuffs, Beverages, Tobacco. Every GST-registered business supplying prepared or preserved fish; caviar and caviar substitutes prepared from fish eggs must quote HSN 1604 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.