can he file a case or not

Call embassy, give their passport numbers, and check their permit type. You will be free.

Approach a local lawyer and act accordingly

I already have one and it’s taking three years just to log an fir and another twenty years to pass the verdict.

@Love some ppl go abroad for education and they don’t go to college. But they will join a restaurant as a server. If they kill anyone there, it is your responsibility.

In the same way, tourists can go abroad and can change the tourist visa to work permit and police are enquiring about it. 

If you are genuine and gave them only the tourist visa, then don’t worry, tell the police politely that you can’t track what they did abroad. 

  , Therefore, submit submit all records before a local lawyer and explain .The local lawyer will help you  .

I know this happens!! The middle men are from India? When you did not tell them, you are being framed. I’m an not a lawyer, but I’m am also like dealing with immigration crimes online only. Sometimes, authorities can plan this as well. But you have the right to tell them to prove it. They can’t prove anything on you. He can’t file 420 case on you without evidence or without looking for a polygraph test. So be bold as you did not do any crime towards them. 

If you are not involved with the middle man, you don’t have to pay. 

If you supported the middleman, you have to pay back th money.

Some ppl will keep quiet if they get the money, but if this deal ruined their life, then they can take it to the courts.