HDFC Bank — Fraud Recruitment amount

Respected Sir,
These peope named Niharika Gupta, Seema Singh and Ronit Sir are trying to collect amount in name of application fees for getting selected in HDFC bank. They are conducting a test, interview and all. They asked me 1900/- as application fees and then after paying that they now asked 4999/- as background verification fees which I didn't pay. Ther contact details are Niharika Gupta[protected] and Ronit[protected]. I do have one of their account details if you need. I just want my money back.