What is HSN Code 3813?
HSN code 3813 is the Harmonized System of Nomenclature classification for Preparations And Charges For Fire-Extinguishers; Charged Fire-Extinguishing Grenades 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 38 — Miscellaneous Chemical Products, which is part of Section VI: Chemical Products. Every GST-registered business supplying preparations and charges for fire-extinguishers; charged fire-extinguishing grenades must quote HSN 3813 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.