Activation procedure for Airtel 3G:

Send SMS- START 3G to 121you will receive intimated msg

Activation procedure for Idea 3G:

send SMS - ACT3G to 12345you will receive intimated msg

Activation procedure for Tata docomo 3G:

Send SMS - 3GLIFE to 53333you will receive a link, click on that link and your 3G services will be activated

Activation procedure for Aircel 3G:

Send SMS - START 3G to 121you will receive intimated msg

Activation procedure for Vodafone 3G:

Send SMS - ACT 3G to 144you will receive intimated msg.

Activation procedure for Reliance 3G

To activate reliance 3G you can contact to customer care or fill a form hereOr trySend SMS - START 3G to 53739

Activation procedure for Bsnl 3G

Send SMS - HELP MIG to 52244you will receive a sms, select option migration to 3G - See more at: http://www.rtechreview.info/2011/08/activation-procedure-of-3g-for-all.html#sthash.tgoLGkN2.dpuf