You should have a high enough level of English that would enable you to score at least a “6” on all four components of the IELTS (International English Language Testing System) examination.
You must have post-secondary (such as university or trade) qualifications (in a small number of occupations substantial relevant work experience may be acceptable) and your skills must have been assessed by the relevant Australian assessing authority as suitable for your nominated occupation.
If your current occupation, or an occupation in which you have engaged in for several years, is not found on the Skilled Occupations List (SOL), then you can not apply for permanent residency to Australia under the Skilled categories.
This is separate to the need to have your skills assessed as suitable for your nominated occupation before you apply.
To meet the two-year study requirement, you must have completed in at least 16 calendar months:
Australian Immigration Consultants in Hyderabad