Aadhar card is a 12 digit random number issued by UIDAI (“Authority”) to resident of India after satisfying all the necessary verification. Aadhar card is one of the most important documents which are used today. It is used as KYC document, identification or verification purpose. Banks and financial institution consider Aadhar cards as valid address and photo ID during the opening of bank accounts. It is mandatory by various official organizations like PAN card or while filing Income tax return.