Basic USSD codes of Idea cellular mobile (INDIA)

 1. *129# => Menu for dialer tone activation, song
 2. *125# => Idea GPRS data balance (both 3G and 2G)
 3. *111# => Menu to activate various packs.
 4. *150*<plan amount># => For 3G and 2G data plan activation
 5. *111# => Menu to activate various packs.
 6. *800#=> All internet Packs self help.
 7. *121# => Know balance
 8. *165*5# =>Idea Rs. 5 loan
 9. *325# => To login into facebook
 10. *451#=>For SMS balance