--- title: "HSN Code for Mechanical Signalling, Road Rail Control | HSN 90173021 GST Rate" description: "Find HSN and GST Rates for 90173021 related to Mechanical Signalling, Road Rail Control with BUSY Accounting - The reliable source for HSN and GST details in India." canonical: "https://busy.in/hsn/hsn-90173021/" --- # HSN Code 90173021: Mechanical Signalling, Road Rail Control - [Section 18: Guide to HSN Section 18](https://busy.in/hsn/section-18/) - [Chapter 90: Optical & Medical Instruments](https://busy.in/hsn/chapter-90/) - [Sub-chapter 9017: Mathematical calculating instruments](https://busy.in/hsn/sub-chapter-9017/) ## GST rates | Description | CGST | SGST | IGST | CESS | | --- | --- | --- | --- | --- | | Micrometers, calipers and gauges : Gauges : Plug | 9% | 9% | 18% | 0% | ## Frequently asked questions ### 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. ## India's trade performance: HSN Code 90173021 (FY 2024-25) Source: TradeStat EIDB, Ministry of Commerce & Industry. Values in ₹ Crore (FY 2018-19 to FY 2024-25). - Exports: ₹26 Cr (+21.12% YoY) — 0.0007% of India's total exports - Imports: ₹2 Cr (+8.18% YoY) — 0.0000% of India's total imports - Trade balance: ₹24 Cr (Surplus); surplus rank #2700 of 12657 HSN codes - Share of Sub-Chapter 9017: 11.18% of its exports; import side 0.49% - Rank within Sub-Chapter 9017: #5 of 13 by export value; import-side #9 ### Key metrics - Export CAGR: 7.81% (FY 2018-19 to FY 2024-25, 7 fiscal years) - National export rank: #4532 of 12657 HSN codes by export value (FY 2024-25) - Peak growth year: +57.41% in FY 2021-22 - Contribution to Sub-Ch. 9017: 11.18% of its exports (FY 2024-25) ## India export-import trade statistics: HSN Code 90173021 7-year export and import data, FY 2018-19 to FY 2024-25, in ₹ Crore. Source: Ministry of Commerce & Industry, TradeStat EIDB. | FY | Exports (₹ Cr) | Exp share | Exp YoY | Exp % of Sub-Ch. 9017 | Imports (₹ Cr) | Imp share | Imp YoY | Imp % of Sub-Ch. 9017 | Trade balance | Exp rank | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | FY 2018-19 | 16.36 | 0.0007% | — | 10.60% | 2.25 | 0.0001% | — | 0.81% | +14.11 | #4352 | | FY 2019-20 | 17.08 | 0.0008% | +4.40% | 11.74% | 2.93 | 0.0001% | +30.22% | 1.14% | +14.15 | #4323 | | FY 2020-21 | 11.95 | 0.0006% | −30.04% | 9.98% | 1.32 | 0.0000% | −54.95% | 0.74% | +10.63 | #4847 | | FY 2021-22 | 18.81 | 0.0006% | +57.41% | 11.82% | 1.24 | 0.0000% | −6.06% | 0.56% | +17.57 | #4680 | | FY 2022-23 | 19.12 | 0.0005% | +1.65% | 10.06% | < ₹1 Crore | 0.0000% | −25.81% | 0.35% | +18.20 | #4733 | | FY 2023-24 | 21.21 | 0.0006% | +10.93% | 10.19% | 1.59 | 0.0000% | +72.83% | 0.50% | +19.62 | #4699 | | FY 2024-25 | 25.69 | 0.0007% | +21.12% | 11.18% | 1.72 | 0.0000% | +8.18% | 0.49% | +23.97 | #4532 | - CAGR (7-year): exports 7.81%/yr, imports -4.38%/yr (consistently Surplus) ## Key trade insights: HSN Code 90173021 export-import analysis ### Consistent export growth: 7.81% CAGR over 7 years India's exports under HSN Code 90173021 have grown at a compound annual rate of 7.81% over 7 fiscal years, rising from ₹16.36 Crore in FY 2018-19 to ₹25.69 Crore in FY 2024-25. ### HSN Code 90173021 ranked #4532 among all 12657 HSN codes by export value In FY 2024-25, HSN Code 90173021 ranks #4532 out of 12657 HSN codes by total export value. Within Sub-Chapter 9017, it ranks #5 of 13. By trade surplus, it ranks #2700 of 12657. ### FY 2021-22 was the strongest growth year for HSN Code 90173021 exports The strongest single-year export movement for HSN Code 90173021 was recorded in FY 2021-22, when exports surged by 57.41% over the prior year. ### India maintains a trade surplus of ₹23.97 Crore in HSN Code 90173021 goods In FY 2024-25, India's exports of ₹25.69 Cr exceeded imports of ₹1.72 Cr, resulting in a trade surplus of ₹23.97 Crore — ranking #2700 of 12657 by surplus magnitude. ### Import growth of -4.38% CAGR signals stable import dependency for Mechanical Signalling, Road Rail Control India's imports under HSN Code 90173021 have grown at -4.38% CAGR, reaching ₹1.72 Crore in FY 2024-25. ### HSN Code 90173021 contributes 11.18% of Sub-Chapter 9017 exports — ranked #5 Among the 13 HSN codes under Sub-Chapter 9017, HSN Code 90173021 ranks #5 by export value — accounting for 11.18% of the sub-chapter's total exports in FY 2024-25. On the import side, it holds 0.49% share (rank #9). ## Related HSN Codes in Sub-Chapter 9017 Ranked by export value (FY 2024-25). | Rank | HSN Code | Exports (FY 2024-25) | | --- | --- | --- | | #1 | [HSN Code 90172010: Drawing & Marking-Out Instruments](https://busy.in/hsn/hsn-90172010/) | ₹38 Cr | | #2 | [HSN Code 90173010: Micrometers, calipers](https://busy.in/hsn/hsn-90173010/) | ₹33 Cr | | #3 | [HSN Code 90172020: Measuring Instruments for Length & Hand Use](https://busy.in/hsn/hsn-90172020/) | ₹32 Cr | | #4 | [HSN Code 90173029: Micrometers, calipers and gauges : Gauges : Other](https://busy.in/hsn/hsn-90173029/) | ₹30 Cr | | #5 | HSN Code 90173021: Mechanical Signalling, Road Rail Control (this hsn code) | ₹26 Cr | | #6 | [HSN Code 90178010: Measuring rods, tapes, scales](https://busy.in/hsn/hsn-90178010/) | ₹19 Cr | | #7 | [HSN Code 90173022: Micrometers, calipers and gauges : Gauges : Ring](https://busy.in/hsn/hsn-90173022/) | ₹19 Cr | | #8 | [HSN Code 90172090: Drawing & Calculating Instruments: Other Types](https://busy.in/hsn/hsn-90172090/) | ₹14 Cr | | #9 | [HSN Code 90178090: Other Instruments \| Other](https://busy.in/hsn/hsn-90178090/) | ₹11 Cr | | #10 | [HSN Code 90179000: Parts And Accessories](https://busy.in/hsn/hsn-90179000/) | ₹7 Cr |