Your 'friend' would need to contact their service provider. You have no right to access that information !
my friend dont know
Unless you have access to their account you cannot.
complete this mobile so that it balance and total weightis 72
Checking the mobile phone of a person can get you a good idea. Backstabbers contains all the proofs in the mobile phones.
Follow the steps below:Step1: SMS " GIFT friend Bsnl number amount " to 53733 or 53738[eg: GIFT 949XXXXXXX 50 ]Terms and Conditions apply.
balance check
The only way to find your friend's mobile number is to ask him. Unless he has posted it on his Gmail or Google-plus profile, it is not publicly available.
Balance inquiry
SMS bal to 54325 from the Registerered Mobile Number that you gave during installation.
how are u
*131#
*123#