For becoming an MSME:-

Any person who intends to establish a micro, small or medium enterprise may file Udyam Registration online in the Udyam Registration portal, based on self-declaration with no requirement to upload documents, papers, certificates or proof.
On registration, an enterprise (referred to as “Udyam” in the Udyam Registration portal) will be assigned a permanent identification number to be known as “‘Udyam Registration Number”.
An e-certificate, namely, “Udyam Registration Certificate” shall be issued on completion of the registration process