NIC India NIC Reference
हिन्दी
Cn Section F Construction
NIC 2025 MoSPI source

NIC Class 4321 - Electrical installation

NIC Class 4321 covers Electrical installation. This is the main comparison layer for deciding which specific six-digit Sub-class best fits the real activity described in Udyam, MCA or MSME workflows. It currently...

Level Class
Depth 4/5
Children 8
Last verified 2026-04-21

Hierarchy tree

432101
Installation, repair and maintenance of electrical wiring and fittings
 432102
Installation, repair and maintenance of telecommunications wiring including computer network and cable television wiring, including fiber optic
 432103
Installation, repair and maintenance of radar infrastructure
 432104
Installation, repair and maintenance of lighting systems (including street lighting and airport runway lighting)
 432105
Installation, repair and maintenance of fire alarm system and burgler alarm system
 432106
Installation, repair and maintenance of power storage systems and electric charging stations for electric vehicles
 432107
Installation, repair and maintenance of solar systems on buildings
 432199
Other electrical installation, repair and maintenance n.e.c.
Practical Summary

What Class 4321 Covers

Class 4321 is the final decision layer before six-digit Sub-classes such as undefined undefined, undefined undefined, undefined undefined, undefined undefined and 4 more. Compare the child pages before using a code in a filing.

Where Used In Practice

Where Class 4321 Is Used

Class 4321 is used when the final six-digit code is not obvious and official notes or child Sub-classes need to be compared.

  • Udyam and MSME code research
  • Company or LLP registration preparation
  • Business activity shortlisting before filing
  • Internal classification and vendor profiling
How To Choose

How to Narrow Down From Class 4321

Review every child Sub-class under Class 4321. If the wording is still broad, open the six-digit child pages before using a code in registration.

Official note

Class note from the source layer

This class includes the installation, repair and maintenance of electrical systems in all types of buildings and civil engineering structures of electrical systems. This class excludes: - distribution lines for electricity and telecommunications, see 4220 - construction of solar and wind energy farms, see 4220 - construction of stations for distribution of electricity, e.g. for electrical vehicles, see 4220 - installation of lightning conductors, see 4329 - monitoring and remote monitoring of electronic security systems, such as burglar alarms and fire alarms, including their installation and maintenance, see 8020

Common Questions About NIC 4321

Which businesses fall under NIC 4321?

Start here when the business belongs to electrical installation and then compare child entries such as undefined undefined, undefined undefined, undefined undefined, undefined undefined and 4 more.

Is NIC 4321 a final filing code?

No. This is a hierarchy page. Continue to the six-digit Sub-class before using a code in registration or compliance records.

How do I verify that NIC 4321 is correct before filing?

Check the parent hierarchy, compare 4322 Plumbing, heat and air-conditioning installation, 4329 Other construction installation, and confirm that the official title matches the main revenue activity. For regulated or filing-critical decisions, verify the source row in the MoSPI dataset.

What happens if I use the wrong NIC code in Udyam or MCA registration?

A wrong code can cause mismatched business descriptions, follow-up questions or later compliance cleanup. It is better to compare nearby codes before filing than to correct a weak classification later.

Is there a legacy NIC 2008 equivalent for NIC 4321?

Use the legacy converter only as a migration aid. Old NIC 2008 matches can suggest where to look, but NIC 2025 should remain the primary reference for new code selection.

NIC 2026 guidance

How to move from Class 4321 to the right Sub-class

NIC 4321 is an intermediate hierarchy page, not usually the final code used in a filing. Use it to compare child entries, read the nearby-code context and move toward the most precise six-digit Sub-class. If the child list contains several similar activities, open each candidate page and compare the wording against the business's real operating model.

Data Source and Verification Date

Source layer

Official NIC 2025 Excel and PDF from MoSPI.

Last verified

2026-04-21 from the generated NIC 2025 source layer used in this build.

Disclaimer

This is an independent reference tool. Verify filing-critical decisions in official sources.