Balance Enquiry and customer care no. of all network
Airtel
Balance *123#. Customer care 121.
Idea
Balance *123#. Customer care 458.
Bsnl
Balance *123#. Customer care 1503.
Reliance
Balance *567#. Customer care #333.
Docomo
Balance *111#. Customer care 121.
Aircel
Balance *125#. Customer care 121. For Voice Announcement of your balance, Dial 123.
vodafone
Balance *141#. Customer care 111.
Uninor
Balance *222*2#. Customer care 198.
MTS
Balance 177. Customer care 155