airtel
tata photon whiz mobile internet service
Virgin Mobile offers a variety of pre-paid plans. Virgin Mobile is also considered one of the best for finding deals on pre-paid plans. They also offer exceptional customer service.
The best cellular service that is pay as you go is either from Virgin Mobile or Boost mobile
relaiance
i phone 5
BSNL
vodafone
BSNL or DOCOMO is my oponion :)
reliance
Find daily mobile deals in India in mobiledealsstore.com
T-mobile in usa amd vodafone in Europe and Australia
T-Mobile has garnered the award of best cellphone service in customer polls. However Verizon and AT&T have more coverage and may be better in your location or particularly if you travel frequently. T-Mobile offers the best mobile phone service. Their combination of customer service and low cost plans make them the leader.