return ticket for H4 Visa, less than 6 months

USA L1, L2 Visa
1

Hi,

My wife is travelling from US to india on H4 Visa for the first time on 20th march 2015, her visa is expiring on sep 2015, do i need to book for a return ticket for her, or a one way ticket is good enough, I am on H1B and my visa also expiring on sep 2015

2

You don’t need to book a return ticket. She can say that it will booked later as there is no particular date planned