Airtel Friends Sim
Sms charge is Rs. 1.50 for me

Hiiiiiiiii,

I have airtel Friends Sim Card and I have charge Rs. 1.50 per sms for first sms.

But my classmate have also this sim card and he have to charge Only Rs. 1 for first SMS.

So, this is not fare about me because of same plan and same call charges,

Plz Help me, and stop this...

Customer Care also not tell me in details...