HSN 1605: Crustaceans, molluscs and other aquatic invertebrates,…
HSN code 1605 covers: Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved.
It is taxed at 5% GST (per CBIC Notification 9/2025-Central Tax (Rate), effective 22 Sep 2025) — put 1605 in the HSN/SAC column and 5 in the GST % column when you bill it.
Rates reflect the 22 Sep 2025 GST 2.0 reform (mainly 5% and 18%, with 3% for precious metals and 28%/40% for select sin and luxury goods). This is a reference drawn from the CBIC rate schedule, not tax advice — confirm the exact rate for your specific item with your CA.
What's inside 1605
This heading has 18 subheadings, including: Crustacean preparations; crab, prepared or preserved, Crustacean preparations; shrimps and prawns, prepared or preserved, not in airtight containers, Crustacean preparations; shrimps and prawns, prepared or preserved, in airtight containers, Crustacean preparations; lobster, prepared or preserved, Crustacean preparations; other than crab, shrimps, prawns, and lobsters, prepared or preserved, Mollusc preparations; oysters, prepared or preserved, Mollusc preparations; scallops, including queen scallops, prepared or preserved, Mollusc preparations; mussels, prepared or preserved…. Use the HSN/SAC finder to pin down the exact code.
Related
Make this invoice now, free, no signup. Correct GST + a UPI QR your client scans to pay you straight to your own UPI.
Open the free GST invoice generator →