Airtel — ported to airtel not yet working

Dear sir,
I have ported Aircel to Airtel one week ago.still I didn't get any signal from Airtel network.That number is important for me.All my bank accounts are related to this number.i have given many complaints regarding this.No one is reverting to my complaints.This kind of service I never expected from Airtel .it's pathetic service . kindly respond to my complaints and do the need ful

Thanks & regards
... .. B.Manasa