Diploma

Pre-requisites of graduate work stream visa
The student must have obtained certificate III, Diploma, graduate Diploma, trade-level certificate not more than 6 months back. The academic study must have been undertaken by the student must be for at least 2 years but not less than 16 months. The course / course must be offered by CRICOS and provided by accredited education providers in Australia. Your first student visa ever applied to Australia should not be before November 5, 2011, when you are applying for post work visa. Your obtained qualification should be in high demand list provided by SOL (Skilled Occupation List)
You must pass Skills Assessment in an occupation listed on SOL. The qualification obtained must be related to the skills nominated from SOL. Since Australia has dearth of skilled workforce in some of the industries, the student applicants having such skills are given graduate work stream visa. These visa holders should find work related to their skills. You can stay and work in Australia for 18 months with graduate work stream visa. What does this visa mean to you? With post-study work visa, you and your family can live, work, study and travel in Australia. Acceptable Courses for Post-study Work Visa
The course/ courses must be registered with CRICOS
The course muse be successfully completed
The completion of the course must have result in an eligible qualification
The medium of instruction was English
The course is completed while the applicant is physically present in Australia
The applicant has had student visa while completing the course of study
The course is considered just once under Australian education requirements. Please note that any English language proficiency training courses or programs that you may have undertaken, will not be considered under study requirements to be eligible for work visa after study in Australia.

Hello,
You can go for one year of Diploma. These vary between study programs and levels. For each course, Indian students will need to meet a minimum English language requirement. Along with that a minimum academic record of 65% and above in class XII will be required. Foundations and Diploma programs are available for students who have secured below 60%. The student should have completed 18 years of age before joining a degree programme. It is important to note that these numbers are just for reference purpose, the actual numbers may differ from university to university. The following documents also need to be submitted:
Attested copies of mark sheets of class X, XII and the Bachelor's degree (if applicable)
At least, two academic reference letters from professors who have taught you most recently
If you have work experience then two letters of recommendation from the employer/manager who knows you well and can comment on your professional abilities
Statement of Purpose (SOP)
Resume
Photocopied score reports of GMAT/IELTS/TOEFL
Portfolio (in case of Students applying for art and design courses & architecture programs)
Others (certificates / achievements at the state and national level and extracurricular activities)
Proof of funds
Wish you good luck.