Using Myntra Website Name — using myntra website name

Dear sir
We got message from using name of myntra website for delivery job. Mr. Vijaykumar from north side he was created fake website using. Ml extension and collecting rs.4700rs amount from his upi id.in tamilnadu in our we paid 4 persons for this job. He called and said job order will come with in 1week but he has cheated all of them. We lose our money. Please help to trace out that person. Herewith attached his upiid and documents