BSNL — Bsnl portal in the east zone does not work

Address:

Kolkata, West Bengal

I have Changed my BSNL Plan to BBG FN Combo 600 and the officials informed me that I would be able to notice this changes in the BSNL portal in my region that is the East Zone

However the Portal doesn't work ...It shows invalid user ids and blah blah.Even when I am providing all things correct.

My Customer ID is[protected]