Myself and I am not real smart as I only have year 10 education just think this!
*pregnancy is 9 months (some exceptions- but it is not very flexible and not to plan on 9 months is foolish)
* You had a baby in July 2017, so known that a baby will enter the World since Oct/Nov 2016.
* Know visas exist and are not simple (457 and 189 applications).
Before sending wife back to India for birth (assumption) you did not seek clarification of visas and such til now - I would have sorted this before they departed!
*pregnancy is 9 months (some exceptions- but it is not very flexible and not to plan on 9 months is foolish)
* You had a baby in July 2017, so known that a baby will enter the World since Oct/Nov 2016.
* Know visas exist and are not simple (457 and 189 applications).
Before sending wife back to India for birth (assumption) you did not seek clarification of visas and such til now - I would have sorted this before they departed!