You better note the ground reality from this link.
However, it's no secret they are not Indian citizens either. As an employer or even as a host it's our legitimate duty & responsibility to submit appropriate records of all foreigners associated with to the jurisdictional Police station/SP's office so that any troubles resulting could be averted. I would suggest thru' a labour contractor initially and review position after some time. There are certain guidelines to be followed in respect of EPF to other than Indian residents.
20th December 2018 From India, Bangalore