Airtel — Submitted a request for wifi installation with paid service but they are fooling from last 5 days

Address:

A17 , Hills view residency , Baner road near bata showroom , Pune, Maharashtra

Hi,
I have raised a request for wifi installation over the phone and i also paid to 3500 rs to the airtel service online . But from last 5 days vender are fooling that sir we will be there in an hour after some time they are not picking my call that happens every day from last 5 days but still it is pending and to the airtel managers they told they are facing technical issue thats not possible because they are visiting to my home how they can say a technical issue please do something on that