i had tried all these things not worked.
today, i visited waridtel business center.
they taken approx 3 hrs to try all things and ultimately "E" on top bar has come - i think E represents for edge technology.
now i can access Market but can't browse websites.
they said since its for T-Mobile actually, browser settings are set for T-Mobile only.
interesting thing is that they said approx 10 people has come for internet setting and this is the only set, we hv done otherwise just tryings and nothing.
now i'll research for browser configuration
when i'll done all, G2 will be arrived with new features.