hello frns,need your urgent help1) I am staying in powai,and i want to buy MTNL 3g data card,how is the speed in mumbai2) if suppose i want to torrent download a movie which is 700 mb than how much time it will take to down load.(approximate)3) i am planning for a 4500 plan for six months for MTNL how is the speed in this plan4) or i should go for any other plan like of MTS5) what if i buy a data card for 1800 rs and if network doesnt come than what ?will mtnl people provide refund to that 6) what is hsdpa and how can it improves speed?7)is their any roaming chargesplz help me guys