Cin full form: Learn what Corporate Identification

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. 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. 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). What is a CIN Number/ CIN Code? A CIN Number, or Corporate Identification Number, is a unique code used to monitor a company's activities once registered with the ROC.