it is a type of identity card given by the government of India to identify him/her as citizen of india
That is because 1 is the identity element of numbers with respect to multiplication.
"What" is the interrogative question that asks for a thing with given identity or aspects, e.g. "What is the result?" "What is the color of the house?" "What" may also ask for the verb identity to a given activity, e.g. "What happened to the car?" "What was the man doing?" Other than applied to a title or name ("What name was drawn?"), the corresponding interrogative for persons (or anthropomorphisms) is "who". "What" normally applies only to non-human living things and inanimate objects.
One is the multiplicative identity or the identity of/for multiplication.
It is the additive identity.
Marks of Identity was created in 1966.
The Obama Identity was created in 2010.
Cards of Identity was created in 1955.
Dr. Identity was created in 2001.
Identity Unknown was created in 1945.
A Case of Identity was created in 1891.
Defending Identity was created in 2008.
Identity thieft
The Obvious Identity was created in 1980-06.
Identity on Fire was created in 2010-10.
The identity of a chemical element is given by the number protons.
It can be demanded, but not necessarily will the identity be given.