---
title: "HSN Code for Mega Meters | HSN 90303940 GST Rate"
description: "Find HSN and GST Rates for 90303940 related to Mega Meters with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-90303940/"
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# HSN Code 90303940: Mega Meters

- [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 9030: Radiation detectors](https://busy.in/hsn/sub-chapter-9030/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations - other instruments and apparatus, for measuring or checking voltage, current, resistance or power, without a recording device: - other: frequency measuring apparatus | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 90303940 ?

It includes Searchlights/Spotlights (Electric)

### Do e‑way bill and e‑invoice apply for Mega Meters?

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.

### Any common misclassification issue with Mega Meters?

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

### How should mixed supplies be billed when Mega Meters is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Mega Meters; Nil for exempt items if applicable).

### How much GST applies to Mega Meters?

Under HSN 90303940, Mega Meters attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### Can we claim ITC on inputs used to trade Mega Meters?

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 Mega Meters?

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.