HSN heading 0301 falls under Chapter 03 — fish and crustaceans, molluscs and other aquatic invertebrates. It breaks down into 8 sub-codes listed below.
Sub-codes under 0301 (8)
030111
FRESHWATER
030119
OTHER
030191
TROUT (SALMO TRUTTA, ONCORHYNCHUS MYKISS, ONCORHYNCHUS CLARKII, ONCORHYNCHUS AGUABONITA, ONCORHYNCHUS GILAE, ONCORHYNCHUS APACHE AND ONCORHYNCHUS CHRYSOGASTER )
030192
EELS (ANGUILLA SPP.)
030193
CARP (CYPRINUS SPP., CARASSIUS SPP., CTENOP- HARYNGODON IDELLUS,HYPOPHTHALMICHTHYS SPP., CIRRHINUS SPP.,MYLOPHARYNGODON PICEUS, CATLA CATLA, LABEO SPP., OSTEOCHILUS HASSELTI, LEPTO- BARBUS HOEVENI, MEGALOBRAMA SPP.)
030194
ATLANTIC AND PACIFIC BLUEFIN TUNAS (THUNNUS THYNNUS, THUNNUS ORIENTALIS)
030195
SOUTHERN BLUEFIN TUNAS (THUNNUS MACCOYII)
030199
OTHER
About HSN heading 0301
The 4-digit code 0301 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 03, which covers fish and crustaceans, molluscs and other aquatic invertebrates.