The Aadhaar card has become the most important official document in India. It is required for opening a bank account, signing up for an insurance policy, changing your address, etc. Whenever you present this card, you are required to provide a thumbprint for security reasons. However, there have still been reports of the misuse of the cards. Here we explain how to track your Aadhaar card usage details online in order to be sure that you are the only one who has used it.