cases the taxpayer is required to make the necessary change and file a revised return the mistake can also be in your pan details a pan card does not have your address but the details are in the records of the tax department if your address has changed apply for a rectification of the pan the same goes for females who change their surname after marriage the pan number wont change but the new address and name will be updated in the records this is important because the tax department sends notices and other communications at the postal address given in the pan if that is incorrect you wont even know if you have been served a notice says bhatia