What is HSN Code 9001?
HSN code 9001 is the Harmonized System of Nomenclature classification for Optical Fibres And Optical Fibre Bundles, Optical Fibre Cables Other Than Those Of… 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 90 — Optical, Photographic, Cinematographic, Measuring, Checking,…, which is part of Section XVIII: Optical, Medical & Precision Instruments. Every GST-registered business supplying optical fibres and optical fibre bundles, optical fibre cables other than those of… must quote HSN 9001 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.