Hi broh,I'm too from chennai,ayanavaram(centred to anna nagar,kipauk and villivakam),got an unlocked MTS ZTE device and an RUIM.(just a week back)I can very well understand speed depends on the BTS tower's load,congestion,network traffic,signal ETC.I get stable 1.5+mbps (upto 2.5mbps) from late night until 9am max.after that speed does touch 1mbps once in while but mostly keep heavily fluctuating and never stays at a point for longer than 10-15mins MAX.I WOULD LIKE TO ASK YOU:How much speed do you get in the day time and night time,assuming you're in chennai .Is what i am getting normal or should i try getting a modem from bsnl? I get full bars always.do you also face abnormal fluctuations during daytime?I can understand this isnt wired internet,yet just willing to hear from you or other users with evdo experience.