hi,

see if you have enrolled for bachelor of technology course in any engineering university or institute , let it private or government college , the most chances of recruitment from Indian companies is . top IT recruitment companies are tcs, cts, Infosys, wipro, IBM etc. however there is no guaranty that you may get offers from specifically from Australian company. HOWEVER the abroad work opportunities seems high for IItians since iits , iiits, nits comes under tier1 first rank colleges for engineering in India. however even if you belongs to private or government engineering college, you may work for indian industry to gain experience after that you may apply for  australian IT company.