Where do I get broadband user ID for selfcare regisration

hi,
i want to check my bsnl broad band usage. i go into the site : http://selfcare.sdc.bsnl.co.in but im not able to register as i dont know the broad band user id. where do i get bb user id?

Hi, it is there in your telephone bill, there is a customer ID which you need while registration to create your selfcare portal account. I hope you get it.