Need information about banking jobs in australia/india

Hi friends,
My degrees are all related to computer science.And it is now almost 5 yrs of gap and i am a SAHM.Now can i get job in banking area related/not related to computer field?.I need information about,
1) Is there any age limit for bank jobs in australia? if yes, what is the age limit?
2) What are the qualifications required to apply for bank jobs?
3) Do i need to do any course related to banking/accounting? if yes, please suggest the courses.

All of your informations,suggestions and replies are much more valuable for me.Looking forward for your replies.

 

Hi friends,
Nobody working here for banks in australia?

 

Hi friends,
Pls i want all of your suggestions and guidance about the banking sector.
ILs help pls.