From: Pritish Nandi <[email-masked]>
To: Rahul Kumar <[email-masked]>
Date: Mon, 14 Sep 2015 01:00:06 +0530 (IST)

The citizen service number ( BSN ) is a unique personal number allocated to everyone registered in the Municipal Personal Records Database. Your citizen service number is recorded on your passport , driving licence and identity card. 

R egards, 
Pritish Nandi