I had Postpaid broadband b4 some months ! Now i want broadband for some days so i have bought Prepaid Broadband !I have gotten Recharge Voucher ! but i have not got Portal ID . and when i enter my older portal ID ( POSTPAID ) , it shows all services for postpaid !When i asked BSNL OFFICE . they told me that u have to enter new portal ID. But i dont have this !What to do ! plz suggest