latest secret codes of aircel,airtel,vodafone and idea

Airtel

Some Secrets Codes Inside Airtel

Airtel Customer Care Number - 121 
Airtel Complaint no - 198
DND Service - dial 1909 ( Activation or Deactivation )
Balance Check - *123#
Airtel Gift Service - *141#
Gprs Balance - *123*10#
Recharge - dial 123
Airtel live Setting - LIVE to 52567
Gprs Packs - MRP GPRS to 51619
Mobile Portability - PORT to 1909
3G Activation - 3G to 121
Airtel Callertune Trick - 543211888
Balance Transfer - *141# and Choose Options.

Aircel

Some Secrets Codes Inside Aircel

Aircel Customer Care Number - 121 or 123
Your Aircel Number - dial *131# or *1#
Balance Check - *125# or BAL to 121
Local Mobile Calls Balance - *111*4#
Internet Setting - PI to 121   or    ALL to 121
Check GPRS Balance - *126*4# or *126*1#
3G Activation - START 3G to 121
Switch Off - *21*904#
DND Service - DND to 1909
Rate Cutter - 1215 or *122#
e-Recharge - *124*(your aircel number)#
Value Added Service - 1214
IMIS no - *222# or *2# or *214#
Aircel free 3G Service - *122*5*1# or *122*456# ( 6 am to 9 am IST till 15th May)
Aircel Free Hellotune - UL to 5800000 ( not confimed )
Free Sms Message Center No -  +919808932698 or +91905063222 or +919050563221
Balance Transfer - *122*666#

Vodafone

Some Secrets Codes Inside Vodafone

Vodafone Customer Care Number - 111 or 198 (Complaint No)
Main Balance Check - *141#
Gprs Balance Check - *141*9# or *111*6#
Your Vodafone Number - *121*0# or *555#
SMS Balance - *142#
Call Balance Check - *145#
3G Activation - Prepaid-> ACT 3G to 144, Postpaid-> ACT 3G to 111
GPRS PACKS-->
1 day GPRS pack - *121*05#
3 days GPRS pack - *121*14#
7 days GPRS pack - *121*25#
15 days GPRS pack - *121*49#
1 month GPRS pack - *121*98#
3G GPRS Packs -->
5GB 1 month 3G - *121*851#
8GB 1 month 3G - *121*1251#
DND Service - dial 1909 then choose option Activation or Deactivation
Rate Cutter - *121*10# and 10 paise per min activated on your mobile.
Hellotune Trick - dial 5525 or 54206090 and select song Activated in your mobile.
Balance Transfer - *131*<Amount><Receiver No>#

IDEA

Some Secrets Codes Inside Idea

Idea Customer Care Number - 12345 or 198 (complaint no)
Balance Checker - *123# or *130#
3G Activation - ACT 3G to 12345
Idea Service Number - *147#
Idea GPRS Setting - SET to 54671
Hunny Bunny Hellotune - HB to 56789
Your Idea Number - *100#
SMS Balance - *161*1#
DND Service - START 0 to 1909  or  Call 1909
Balance Transfer - *567*<receiver no><space><Amount>#
Transfer Limit - 10 to 50 Rs.