Permanent Account Number (PAN) is a 10-digit alphanumeric number, issued in the form of a laminated card, by the Income Tax Department, to any "person" who applies for it or to whom the department allots the number without an application. PAN enables the department to link all transactions of the "person" with the department.
These transactions include tax payments, TDS/TCS credits, returns of income/wealth/gift/FBT, specified transactions, correspondence, and so on. PAN, thus, acts as an identifier for the "person" with the tax department.
This site provides useful Pan Card related information. You can view your Pan Card Status on this website.
PanCard Status By Name