What is HSN Code 901820?
HSN code 901820 is the Harmonized System of Nomenclature classification for Ultra-Violet Or Infra-Red Ray Apparatus under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.
This code belongs to Chapter 90 — Optical, Photographic, Cinematographic, Measuring, Checking,…, which is part of Section XVIII: Optical, Medical & Precision Instruments. Every GST-registered business supplying ultra-violet or infra-red ray apparatus must quote HSN 901820 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.