The MSME registration asks for the business activity by NIC code. For this activity, that activity is 43123.
NIC code · National Industrial Classification 2008
43123 is the 5-digit NIC 2008 code for the activity named above: a sub-class of class 4312, site preparation, within division 43, specialized construction activities. Search a code or activity below, or copy the code for your Udyam or SPICe+ form.
This code
Division 43Group 431Class 4312Sub-class 43123
Clearing of building sites, earth moving: excavation, landfill, levelling and grading of construction sites, trench digging, rock removal, blasting etc.
Sub-class 43123 · Class 4312 · Group 431 · Division 43 · Section F, NIC 2008
The code
Where the code sits in the National Industrial Classification 2008, from section to sub-class, in the official wording.
431235 digits: 43 + 1 + 2 + 3NIC 2025 · Notice dated 16 October 2026
On 18 November 2025 the Ministry of Statistics and Programme Implementation released NIC 2025, which uses 6-digit codes aligned with the UN's ISIC Revision 5. This page shows the NIC 2008 code 43123. The matching NIC 2025 code will be added here once it is mapped from MoSPI's official concordance.
How to read it
An NIC code is built in layers. Each digit narrows the one before it: the division, the group, the class, and finally the 5-digit sub-class. Divisions themselves are grouped under lettered sections.
The broadest numbered layer. Division 43 covers specialized construction activities. It sits in section F, construction.
Demolition and site preparation.
Site preparation. The official note for this class is quoted below.
Clearing of building sites, earth moving: excavation, landfill, levelling and grading of construction sites, trench digging, rock removal, blasting etc. The full 5-digit code you enter where a form asks for the business activity by NIC code.
What it covers
43123 is a sub-class of class 4312, site preparation. The NIC 2008 document explains the class in the note below, quoted exactly.
This class excludes:
- - drilling of production oil or gas wells, see 0610, 0620
- - decontamination of soil, see 3900
- - water well drilling, see 4220
- - shaft sinking, see 4390
- - oil and gas field exploration, geophysical, geological and seismic surveying, see 7110
Where you use it
Two registration forms ask for the business activity by NIC code. This is where 43123 is entered.
The MSME registration asks for the business activity by NIC code. For this activity, that activity is 43123.
The company incorporation form asks for the main industrial activity of the proposed company by NIC code.
Not GST. GST registration does not use NIC codes; goods and services there are classified by HSN and SAC codes.
Choosing the right code
43123 is for the activity named at the top of this page. The codes below sit closest to it in NIC 2008: the other sub-classes of class 4312. Each has its own page with the official wording.
43129Class 4312 · another sub-class of the same class43121Class 4312 · another sub-class of the same class43122Class 4312 · another sub-class of the same classClass 4312 has 4 sub-classes in NIC 2008, including 43123.
Questions
Clearing of building sites, earth moving: excavation, landfill, levelling and grading of construction sites, trench digging, rock removal, blasting etc., in the National Industrial Classification 2008. It is a sub-class of class 4312, site preparation.
Class 4312, site preparation, has 4 sub-classes in NIC 2008. Besides 43123, they are: 43129 (Other site preparation activities n.e.c.); 43121 (Site preparation for mining including overburden removal and other development and preparation of mineral properties and sites except oil and gas sites); 43122 (Site preparation including drilling, boring and core sampling for construction, geophysical, geological or similar purposes).
In Udyam Registration, which asks for the business activity by NIC code, and in the SPICe+ company incorporation form, which asks for the main industrial activity by NIC code. GST registration does not use NIC codes.
About this page
The section, division, group, class and sub-class on this page, and the explanatory note for class 4312, are taken word for word from the official document “National Industrial Classification (All Economic Activities) 2008”, Central Statistical Organisation, Ministry of Statistics and Programme Implementation, Government of India.
This is reference information on the classification of a business activity. It is not advice on which code your own business should declare, and the official NIC document prevails if the two ever differ. A change in the classification, including the MoSPI concordance to NIC 2025, re-opens this page for checking.
Not sure which code fits your activity, or spotted a mismatch? Use the WhatsApp button on this page and tell us what the business sells and how.