Hello Frendz,For Mumbai :
Connect with following setting :-
APN :- mobiletv
Proxy :- 172.16.39.20
Port :- 9401
Works On both mobile and Pc.
Giving me Download speed of +60 KBPS.
No handler / no modded software required.
UPDATE
For Those who r not getting high speed ,
Try this proxy 172.16.39.73 port :- 9401
but it needs dotproxy or backstring

Must Work @ Mumbai For Delhi - with backstring
Connect with following setting :-
APN :- mimobitv
Proxy :- 172.16.31.10
Port :- 9401
Backstring - ?idd=59.162.166.215
Use dotproxy for Pc & cheexy or handlers for mobile.
enjoy