If ur request has been properly forwarded to the broadband section at Kidwai bhawan, Janpath then expect ur plan to be changed around 4~5 PM today coz that is the time when they do all the plan changing. However, change in speed is a different ball game alltogether, they might/might not upgrade the speed simultaneously with plan change..for that u'll have to pester them..Its no use calling up the exchange coz here in delhi the exchange has nothing to do with BB except the hardware connection thru DSLAM.