Fake job

I was searching for online job. I found Brics solution on olx. Then i got the no. I messaged on whatsapp. I got lots of job offers. Then i asked for proof he sended me some payment screenshots and one PAN card. I thought it will be not fake. So applied for the job the registration fees was protectedrs. I paid. Then i got mail to fill the form. I filled everything. Then i got my job data. I worked for 1months but after completing the work. I messaged and called for salery but no one answered anything.