How to check balance and sms balance in your mobile

In this post, I would like to share about to check our mobile balance and Sms Balance left in Airtel, Aircel and Vodafone..
Airtel

 To check your main balance dial  *123*3#

To check SMS balance dial, *125*2#

Aircel

For Main balance dial  *111*6#

For SMS balance dial  *111*5#

Vodafone

For Main balance  *141# or *111#

For SMS balance *225*1#