Aircel Introduced 3G at Some places only..
If your region got 3G than,
No more worry about the high 3G data price.
You can enjoy unlimited 3G usage upto 6 hours at only Rs.3
So you will be actually getting 1hr Usage for just 50 paise.

To get this all only three steps needed.
1 ) If you are not a 3G customer than activate 3G by Sending START 3G to 121.
2) After that with at least Rs.5 in your balance send JLTPI to 56666
3) After getting confirmation message connect in 2G mode then switch over to 3G.
i.e. [b]Connect in GSM then switch to UMTS[/b]
Thats all..
If you want to do the same in Modem,
1) Go to Tools — Options — Network
2) Then select GSM only and apply their itself.
3) After you see 2G signal received like EDGE or GSM,
select WCDMA preferred then press OK suddenly and connect.