HSN CODE - 90138090 : LIQUID CRYSTAL DEVICES NOT CONSTITUTING ARTICLES PROVIDED FOR MORE SPECIFICALLY IN OTHER HEADINGS; LASERS, OTHER THAN LASER DIODES; OTHER OPTICAL APPLIANCES AND INSTRUMENTS, NOT SPECIFIED OR INCLUDED ELSE WHERE IN THIS CHAPTER OTHERS

Harmonised System of Nomenclature (HSN Codes) 90138090 are used for the LIQUID CRYSTAL DEVICES NOT CONSTITUTING ARTICLES PROVIDED FOR MORE SPECIFICALLY IN OTHER HEADINGS; LASERS, OTHER THAN LASER DIODES; OTHER OPTICAL APPLIANCES AND INSTRUMENTS, NOT SPECIFIED OR INCLUDED ELSE WHERE IN THIS CHAPTER OTHERS products under Goods and Service Tax classification.

India was originally using 6 digit HSN codes to classify commodities but later two more digits were added to make the codes more precise, resulting in an 8 digit classification.

Understanding HSN Code 90138090

First two digits (90) represent the chapter number which is Chapter 90 - Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof.

Next two digits (13) represent the heading number which is LIQUID CRYSTAL DEVICES NOT CONSTITUTING ARTICLES PROVIDED FOR MORE SPECIFICALLY IN OTHER HEADINGS; LASERS, OTHER THAN LASER DIODES; OTHER OPTICAL APPLIANCES AND INSTRUMENTS, NOT SPECIFIED OR INCLUDED ELSE WHERE IN THIS CHAPTER

Next two digits (80) represent the product code which is Other devices, appliances and instruments

Last two digits (90) are for final or deeper classification which is OTHERS

All 8 digits of HSN code is mandatory for export & imports for tax invoice of GST.