If I am, I wont think twice before handing over ganga to ratan. Because everything has a limit. You can help a person as long as it does not destroy your own family.
Ganga knows the danger of Ratan and yet she is coolly waiting for the right time to exit as if she is doing them a favour. Ganga is an ordinary girl concerned with her own well being and using Mannu as a shield. Instead of involving in singhs everyday affairs, she should have been thinking ways and means of getting out without harming her benefactors.