The MSME registration asks for the business activity by NIC code. For this activity, that activity is 23993.
NIC code · National Industrial Classification 2008
23993 is the 5-digit NIC 2008 code for the activity named above: a sub-class of class 2399, manufacture of other non-metallic mineral products n.e.c., within division 23, manufacture of other non-metallic mineral products. Search a code or activity below, or copy the code for your Udyam or SPICe+ form.
This code
Division 23Group 239Class 2399Sub-class 23993
Manufacture of millstones, sharpening or polishing stones and natural or artificial abrasive products, including abrasive powder or grain on a base of textile material, paper, paper board or other material
Sub-class 23993 · Class 2399 · Group 239 · Division 23 · Section C, NIC 2008
The code
Where the code sits in the National Industrial Classification 2008, from section to sub-class, in the official wording.
239935 digits: 23 + 9 + 9 + 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 23993. 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 23 covers manufacture of other non-metallic mineral products. It sits in section C, manufacturing.
Manufacture of non-metallic mineral products n.e.c.
Manufacture of other non-metallic mineral products n.e.c. The official note for this class is quoted below.
Manufacture of millstones, sharpening or polishing stones and natural or artificial abrasive products, including abrasive powder or grain on a base of textile material, paper, paper board or other material. The full 5-digit code you enter where a form asks for the business activity by NIC code.
What it covers
23993 is a sub-class of class 2399, manufacture of other non-metallic mineral products n.e.c. The NIC 2008 document explains the class in the note below, quoted exactly.
This class excludes:
- - manufacture of glass wool and non-woven glass wool products, see 2310
Where you use it
Two registration forms ask for the business activity by NIC code. This is where 23993 is entered.
The MSME registration asks for the business activity by NIC code. For this activity, that activity is 23993.
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
23993 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 2399. Each has its own page with the official wording.
23994Class 2399 · another sub-class of the same class23999Class 2399 · another sub-class of the same class23991Class 2399 · another sub-class of the same class23992Class 2399 · another sub-class of the same classClass 2399 has 5 sub-classes in NIC 2008, including 23993.
Questions
Manufacture of millstones, sharpening or polishing stones and natural or artificial abrasive products, including abrasive powder or grain on a base of textile material, paper, paper board or other material, in the National Industrial Classification 2008. It is a sub-class of class 2399, manufacture of other non-metallic mineral products n.e.c.
Class 2399, manufacture of other non-metallic mineral products n.e.c., has 5 sub-classes in NIC 2008. Besides 23993, they are: 23994 (Manufacture of graphite products other than electrical articles); 23999 (Manufacture of other non-metallic mineral products n.e.c. (includes asbestos yarn and fabric, and articles of asbestos yarn and fabric such as clothing, headgear, footwear, cord, string, paper o felt; friction material with a basis of asbestos or other mineral substances or of cellulose including unmounted articles such as friction material; mineral insulating material (slag wool, rockwool and similar mineral wools, exfoliated vermiculite, expanded clays and similar insulating material); products of glass wool for heat-insulating; articles of asphalt or of similar material (e.g. coal tar pitch), gypsum and articles of other mineral substances)); 23991 (Manufacture of worked mica and mica products); 23992 (Manufacture of gypsum boards).
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 2399, 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.