PAN, or permanent account number, is a 10-digit unique alphanumeric number allotted to taxpayers by the Income Tax Department.Change of address anywhere in India does not affect PAN number and it remains the same .As it is an important identity proof it is compulsory to provide a PAN card details at the time of applying for a credit card or debit card,bank loans,investment above Rs.50,000 in bank or mutual funds.Purchases of gold or vehicles above 5 lacs need Pan card details.
