Government of Tamil Nadu
Micro, Small and Medium Enterprises Department
Commissionerate of Industries and Commerce
தொழில் வணிக ஆணையரகம்

In order to achieve the objective of Ease of Doing Business, GOI introduced the filing of Udyog Aadhaar Memorandum (UAM) registration process. The Government of India  in exercise of the powers conferred in subsection (2) of section 8 of the MSMED Act 2006, and in supersession of the notification number  S.O. 1643(E) dated the 29.9.2006, specified that every Micro Small & Medium Enterprise shall file Udyog Aadhaar Memorandum in the form appended to the notification 18.09.2015 and follow the procedure for filing the UAM. There shall be no fee for filing of the Udyog Aadhaar Memorandum.

The Udyog Aadhaar Memorandum (UAM) can be filed online in the URL in the Udyog Aadhaar portal maintained by the Ministry of MSME, GOI. But in exceptional cases, where online filing is not possible, they may submit a hard copy to the concerned DIC, which shall file the UAM Online for such enterprise on its behalf.  The UAM Number so generated will be mailed to the enterprises as provided in the UAM.

The existing enterprises, who have filed EM Part-I or EM Part-II or both or the holders of SSI  registration prior to the MSMED Act 2006, shall not be required to file UAM, but if they so desire, they may also file the Udyog Aadhaar Memorandum.

In the Udyog Aadhaar Memorandum (UAM), the Aadhaar Number shall be of the proprietor in case of Proprietary concern, the managing partner in case of partnership concern and of the authorised person in case of other forms of enterprises. The Udyog Aadhaar Memorandum shall be filed on self declaration basis and there is no supporting document to be uploaded for filing of the UAM. There shall be no restriction on filing more than one UAM in the same number.

Classification of UAM for MSMEs





Investment in plant & machinery/equipment

Micro Enterprises



Does not exceed Rs.25 lakh



Does not exceed Rs.10 lakh

Small  Enterprises




More than Rs.25 Lakh but does not exceed Rs.5 crore



More than Rs.10 lakh but does not exceed Rs.2 crore




More than Rs.5 Crore but does not exceed Rs.10 Crore



More than Rs.2 crore but does not exceed Rs.5 crore