Domino's Pizza — Returned Fake currency notes

Address:

New Delhi, Delhi

I had ordered from dominoz pizza on 29th August 2015 at 20:21:59 pm via online order and opting cash on delivery. Their delivery boy when came home to deliver me pizza gave me fake currency as an exchange of change. However I realized it later and not immediately. I need help in tracing that employee who gave me fake currency note of ₹500/- . Dominoz preet vihar, new delhi .order number 223. Trace number: cash[protected].