TATA DOCOMO SPEED UP 2G CONNECTION TO 3G

docomo 3g trick you have to first activate 3g plan and after that you have to activate any of 2g plan listed obove 
Follow this steps and try..
1.First Dial : *141*1#
2.You will Receive Following menu:

Choose your region (Available in select towns):
1.UPW
2.PUN
3.HAR
4.GUJ
5.RAJ
6.MP
7.KER 8.KAR
9.MAH

3.Select your state by reply this message

Send:2

4.After that you will receive 3g plans available in your city

1.10MB free 3G @Rs.11
2.25MB Free 3G @ Rs.21
3.50MB Free 3G @ Rs.39
4.100MB Free 3G @ Rs.90
5.250MB Free 3G @ Rs.201
6.500MB Free 3G @ Rs.351

5.Now select 1st plan of 10 mb

Send:1

6.After acivating 3g plan go to retailer and make E-recharge with rs 48.

Hope this trick will work for you.I am using this trick from last 10 days in 6 month old simcard.As i have tried this trick in 3 simcard and unfortunately this worked in only one