Cin full form: CIN is an important

CIN is an important number as every company must mention this unique CIN in the forms to be submitted to the Ministry of Corporate Affairs (MCA), particularly in audits and reports. The full form of CIN is Corporate Identification Number. The Registrar of firms (RoC) within the Ministry of Corporate Affairs (MCA) assigns firms a unique 21-character alphanumeric identification known as the Company Registration Number (CRN), also known as the Corporate Identification Number ( CIN ) in India. Learn what Corporate Identification Number ( CIN ) is, why it matters, how to use or update it, and the key differences between CIN , CRN, LLPIN, and GSTIN. A Corporate Identification Number ( CIN ) is a 21-digit alpha-numeric code issued to companies incorporated in India. CIN [1][2][3] is unique identification number that is given by Registrar of Companies (ROC) of various states under the Ministry of Corporate Affairs (MCA).