How to activate 3g for Idea,Vodafone,Airtel?

HELLO !! Friendz..
Here I am posting very useful info..For those who r want to activate 3G on Their 2G Sims  

QUE :- HOW TO ACTIVATE 3G SERVICES ON YOUR SIM CARDS ? 
ANS :- Solution is here !!   

FOR Vodafone

1=> VODAFONE 3G
- FST U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM
INSERT THAT SIM IN 3G FONE
-THEN SEND A MSG
SMS ACT 3G to 111
-WAIT FOR CONFERMATION MSG
-THEN LET IT BE ACTIVATED And..
- CHOOSE UMTS MODE FOR 3G SERVICES
For Vodafone Gprs and 3G plans Click Here !!

For Airtel

2=>AIRTEL 3G
- FST U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM
INSERT THAT SIM IN 3G FONE
-THEN SEND A MSG

-SMS 3G to 121 WAIT FOR CONFERMATION MSG
-WAIT FOR CONFERMATION MSG
-THEN LET IT BE ACTIVATED And..
-CHOOSE UMTS MODE FOR 3G SERVICES
For Airtel Gprs and 3G plans Click Here !!

For IdeA

3=>IDEA
-1st U HAVE TO SEND A MSG TO ACTIVATE 3G ON UR SIM ,
-INSERT THAT SIM IN 3G FONE THEN SEND A
- MSG SMS ACT3G to 12345 OR 3G TO 54777

- WAIT FOR CONFERMATION MSG

-AND THEN LET IT BE ACTIVATED AND THEN
-CHOOSE UMTS MODE FOR 3G SERVICES
For Idea Gprs and 3G plans Click Here !!