A Permanent Account Number is one of the most important documents in the country today.The most important purpose of allotting PAN to an individual is for the purpose of identification and to track all the related monetary information of that individual.Click here to know your pan status online.
PAN obtained once is valid for life-time of the PAN-holder throughout India. It is not affected by change of address or change of Assessing Officer etc.
No, it does not require any renewal. If at all it is damaged, misplaced or lost you can go for applying the duplicate PAN Card.