Online Typing Provider — fraudulently taken the money

I got a call from this company on 4th march 2018. They told me they are hiring people for data typing jobs from home they told me that by paying rs. 500, you will be selected for the job. At first, they told me that you will get a salary of rs.9000 pm. So l transferred the amount to their bank a/c through paytm. After that they told me if you will give 1500 more, you will get a weekly salary of[protected] and also told me that you will get this amount as cashback within one hour of payment. So l transferred the amount. After an hour, i told them that i haven't got the cash back, they told there is some technical problem and told me that you have to pay more 2000 to get the cashback amount as 4000. I paid that amount also but they didn't return me the money which they took by fraud means. After that incident, they are not receiving my calls and blocked all my numbers.
I used to get calls from this phone no. [protected], [protected] and his name was rajat.
So please look into this matter with deep attention.