Airtel — network issue in postpaid connection

I have made a complaint regarding network issue on 18 nov and till date that is not solved. Kindly see to it soon we have 4 airtel connection at our place and none is working. I am not able to receive any call nor i am able to do. Its creating lot of trouble. I have ported my no. To airtel from voda but its more worse than vodafone neither the complaint is solved nor any executive have contacted regarding this its been high time i have placed so many complaints but its of no use.