Family Visa

Can anyone tell me about family visa information …………….now my wife is pregnant & she will going India for delivery & she will come after 1 year in Oman. So my query is….
1)    Can she able to re-enter in Oman after 1 year if her visa is valid?
2)    Any new rule for family visa? (Like employment visa)

Please help me

you check you family visa labour card valid until what date
before that date she must enter Oman other wise that visa is expire if she not enter in Oman and re-new

Thanks.....khan
her visa expire date 10/01/2017
Before that she will come