Indigo Airlines — Collected 11000 money for ticketing executive job and did not refunded

Jan 13th 2021, tanya sharma called from indigo airline regarding airline job through gmail: [protected]@gmail.com and whatsapp no:+[protected] and Contact no: [protected]. She told me that my resume was selected for airline ticketing executive in pondicherry. And ask me 2500 rupees for application and she told that is refundable, i send to her bank account details below
Bank Name:- Kotak Mahindra Bank
Account Holder Name:- INDIGO AIRLINES
Account Number:- [protected]
Ifsc Code:- KKBK0004624
and she conduct telephonic interview. And again she called me and told me that i was selected in 1st interview. And raghul sharma one of the HR called me and ask 8500 rupees for certificate verification and he told that is refundable. His Contact no: [protected]. Till now they didnt say anything about job and didnot refund my amount.