India, April 11 -- Real ID would be mandatory for U.S. citizens who want to access domestic commercial flights, federal buildings, or military installations from May 7 onwards. Real ID is an additional security measure that was mandated by federal law under the Real ID Act of 2005, following the 9/11 terrorist attacks.

Before the Real ID Act, there was a lack of standardization in the issuance and security features of state-issued driver's licenses and identification cards. Concerns about the ease with which individuals could obtain and use fraudulent identification documents in the U.S. drove the implication of the Real ID in all states.

It is not a hard and fast requirement to update your driver's license to be compliant with Real ID,...