Quikr Jobs — money not refunded

Address:

Bokaro, Jharkhand, 827009

I got call for job in icici bank from quikr jobs ms anjali phone no-[protected]. They told me to pay rs 750 for reference id in pnb acc of amod kumar verma acc no - [protected], ifsc code punb0412700. Then i have given a telephonic interview after i pass the interview and they asked me pay rs 3550 for document verificaton charges after that i send all my document to email [protected]@outlook.com. They send me confirmation letter of icici bank. Then again they asked me to pay 7500 for opening salary acc in icici bank after that they send me offer letter through whatsapp which was password protected. Now they asking me to pay 14500 as security money & for password. Which i denied to pay & asked for refund. I emailed & whats app messaged them for refund. I even called them for refund but not clear answer how they will refund my money.
Other detail :- quikr head office phone no - [protected]
Backend office rahul - [protected].
I paid total of rs 11800.
Please help me what i should do.