HSN Code 90173021: Mechanical Signalling, Road Rail Control

HSN Code 90173021 represents Mechanical Signalling, Road Rail Control under GST classification. This code helps businesses identify Mechanical Signalling, Road Rail Control correctly for billing, taxation, and trade. With HSN Code 90173021, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Mechanical Signalling, Road Rail Control.

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Chapter Number	Chapter Name	Sub Chapter Number	Sub Chapter Name	Description of Goods	CGST (%)	SGST (%)	IGST (%)	CESS (%)
90	Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof	9017	Drawing, marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and tapes, micrometers, callipers), not specified or included elsewhere in this chapter	Micrometers, calipers and gauges : Gauges : Plug	9%	9%	18%	0%

Description of goods

Micrometers, calipers and gauges : Gauges : Plug

Chapter

90 – Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

Sub Chapter

9017 – Drawing, marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and tapes, micrometers, callipers), not specified or included elsewhere in this chapter

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
90171000	Drafting tables and machines, whether or not automatic
90172010	Other drawing, marking-out or mathematical calculating instruments : Drawing and marking-out instruments
90172020	Other drawing, marking-out or mathematical calculating instruments : Mathematical calculating instruments
90172030	Other drawing, marking-out or mathematical calculating instruments : Pantograph
90172090	Other drawing, marking-out or mathematical calculating instruments : Other
90173010	Micrometers, calipers and gauges : Micro-meters and calipers
90173022	Micrometers, calipers and gauges : Gauges : Ring
90173023	Micrometers, calipers and gauges : Gauges : Slip
90173029	Micrometers, calipers and gauges : Gauges : Other
90178010	Other instruments : Measuring rods and tapes and divided scales
90178090	Other instruments : Other
90179000	Parts and accessories

HSN Code 90171000

Drafting tables and machines, whether or not automatic

HSN Code 90172010

Other drawing, marking-out or mathematical calculating instruments : Drawing and marking-out instruments

HSN Code 90172020

Other drawing, marking-out or mathematical calculating instruments : Mathematical calculating instruments

HSN Code 90172030

Other drawing, marking-out or mathematical calculating instruments : Pantograph

HSN Code 90172090

Other drawing, marking-out or mathematical calculating instruments : Other

HSN Code 90173010

Micrometers, calipers and gauges : Micro-meters and calipers

HSN Code 90173022

Micrometers, calipers and gauges : Gauges : Ring

HSN Code 90173023

Micrometers, calipers and gauges : Gauges : Slip

HSN Code 90173029

Micrometers, calipers and gauges : Gauges : Other

HSN Code 90178010

Other instruments : Measuring rods and tapes and divided scales

HSN Code 90178090

Other instruments : Other

HSN Code 90179000

Parts and accessories

Wrong HSN codes causing GST errors? BUSY auto-applies the correct code & rate on desktop and mobile.

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What products are classified under HSN 90173021 ?

It includes Electro-cardiographs

How should mixed supplies be billed when Mechanical Signalling, Road Rail Control is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Mechanical Signalling, Road Rail Control; Nil for exempt items if applicable).

Any common misclassification issue with Mechanical Signalling, Road Rail Control?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

Do e‑way bill and e‑invoice apply for Mechanical Signalling, Road Rail Control?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

Can we claim ITC on inputs used to trade Mechanical Signalling, Road Rail Control?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

Does packaging or labelling change the GST for Mechanical Signalling, Road Rail Control?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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