Airtel
Not activating my prepaid sim card

I got the sim card 2 days back and they promised me that we will activate the card on same day. But 2 days have passed my card is not activated and there is no option to make the complaint in the customer care. The customer service is too bad in Airtel. If anybody knows any customer care number to raise the complaint please mail it to me and this will be very helpful for me.

Thanks,

Bala.