If self employed then business registration proof and cover letter should be on business letter head OR If Employed then NOC from Employer in original and last 6 months salary slips.

Last 6 months bank statement in original.
Letter from bank for balance in original.

Last 3 years Income Tax Returns with computation of Income if any.

Any other saving – copy of FD, mutual fund, Insurances or property papers.

Copy of marriage certificate.

Embassy may ask for any additional documents.

If purpose is leisure then tour itinerary and schedule is required OR If there is any Invitee then document from his/her is required like An invitation letter address to Australian High Commission, New Delhi , Residence and occupation proof of Invitee, etc.

Documents required from Australia if applying for Visitor (Someone is calling from Australia)-

Scanned Copy of Invitation letter from Son/ Brother addressing to The Visa Officer, Australia High Commission, New Delhi mentioning the purpose and Duration of stay along with the Names and Passport details of the Persons invited.
Employment proof – last 6 months bank statements updated, copy will do along with last 6 months pay slips.

Accommodation Proof- Mortgage Papers or Rent/ Tenancy Agreement.

Invitee’s Copy of Passport+ valid Australia Visa.

Documents required from your Sister if travelling without Spouse- Rest of the Documents and Application forms will remain the same.

Additional are NOC from Spouse in original addressing to The Visa Officer, Australia High Commission, New Delhi mentioning the purpose and Duration of stay along with the Names and Passport details of the Spouse and Kid.

Copy of Photo Id Proof which bears his Photo+ Sign.

You should provide evidence of sufficient funds (bank statements, letter from financial institution concerning your financial position etc).

Evidence of the visit to Australia on business, such as:

A letter of invitation from the host organization in Australia
Conference registration details.
A covering letter from your employer stating the reasons for your visit
Your itinerary, with contact details of the business parties involved
Your employment contract.

Educational or professional qualifications Certificates.
Provide the details of previous contacts with Australian business people or organizations in Australia.
Documents to show that the company you work for is an actively operating business, such as a business registration certificate or annual report.
Employment Details

If you are employed: Letter from your employer – stating your position and salary, length of employment, confirming your leave of absence and the name and contact details of the person providing the letter.
If you are self-employed and running your own business: Business registration.

Original + old passport (if any)
Application form (876)
Visa fees: – 601/-
Personal covering letter with the reason
Final destination visa
Itinerary
Other documents same as tourist

Rs. 6,600/-
Rs. 601/- VFS Charges (Inclusive of all taxes)
Rs. 57/- DD Charges
Transit NIL
Rs. 601/- VFS Charges