Natural persons owned LLP controlling foreign WOS

Father -Son duo have LLP at India and also owns A wholly owned subsidiary at Mauritis 

Are they capable to sign Loan Agreement representing both the vompanies-Induan parent and Foreign WoS at the same time. As if both are making FDI as well as taking loan on Behalf if Mauritis Company?

One can mention identity of diff Company buy beneficial ownership rests with Father Son duo in both cases.

Pl guide.