Iso Air Service — money paid and did not respond

I am syamsai. From iso airservice they called and take the interview and they said u r selected for csa job and they make a payment of 700 for document verification and after 15 days they send me mail u r selected in spicejet company and they ask again 1200for medical charges and i have pay both of them and i will ask them when is placement they are extending the weeks plz help me any one of that company are tell me we dont give u job i will try for other job y r u wasting my time and money