If you want to write an application letter, seeking to get an identity card, then here is the format, which you should follow.
Letter requesting to issue an identity card
The HR Manager,
Subject – (Letter requesting to issue an identity card )
This is X (Your name) and I have recently joined the reputed organization as the post of Marketing Trainee
As per my professional requirement, I request you to kindly issue the identity card.
This will help me to authenticate myself as an employee of the organization right in the campus.
I am looking forward for a positive reply.
X (Your name with signature)
Y (Your Designation
Contact Number(Mention your number)