Cadbury — Unethical behaviour

There was a job opening for a cadbury store supervisor in vizag. I applied for it and the next day they asked me to send my resume via email. I did and the next day a lady called me stating that she is the hr. She did a telephonic interview and later said that i was selected and i have to pay 1550 for the dress. I did pay it and since then there is no response from her. I did call her but she is not responding. Please look into it.