So guys the actual switch over to the new infra will happen tomorrow. So if you haven't done the update, make sure it is done by tomorrow, and it will also help us if you can login into NEST tomorrow after the update and see if everything is working well while trading on the mock market.
All those who login tomorrow, we will add Rs 10lks in demo money in your account, for you to try it out.
Everything you need to know about the update is here:
http://zerodha.com/critical-update/