I live in pune. I used Aircel sim two year back. I purchased it because the shopkeeper said it good in pune in which gives high signal strenght. But when I insert in in my mobile, it shows only 2-3 netwoks and when I tried to call my friend it get disconnect. Data speed it also very bad. My exprience with this aircel data is very bad it simply take time to open fb page. Overall if you recharge 3g data balance it work like 2g data and 2g doesnt work. The customer service is also very bad, you cant connect to there customer service easily it give you time to wait and whenever you tell your problem they said switch off your mobile and insert sim in 1st slot. Cant believe how poor there service is.