Unisyn Enterprises — installation for tata sky

Address:

H.no-180,LIG, BHEL BHARATHI NAGAR, COLONY,RC PURAM, Hyderabad, Andhra Pradesh, 502032

We have paid an amount of rs 2200for installation of tata sky services on 15/08/2019. That person has told us that we will get connection within 7 days but as of now it is 12 days still we have not received any connection and setup box. While trying to reach the contact number he was given no one is answering the call. I want to get the refund
I have done google pay to upi id paytm