Airtel — online data entry

Address:

Navabhavnath,near-sarasvati high school bhiloda, Gujarati, 383245

I am umesh i got a call from this company then they told to day first 2000 i paid then they told to pay 2500 but i paid 1000 then after 1week i got a call he said pay 1530 for refund i paid then the number is off i got aa fraud i want money back to plezz tell what should i do i take money from other now they not the number is swichoff i don't und