hello guys...i m having BSNL HOME UNLIMITED 525 ....my fup limit was 4 gb which got completed day before yesterday as shown by selfcare.wdc.bsnl.co.in and also my data usage software on pc....however i am still getting the previous speed of 512 kbps which should have decreased to 256 kbps...i am worried that am i going to overcharged for this ...i didnt request for any extra service neither did bsnl contact me...pls help i am worried ...as i m new to internet!!