Australia Visa Subclass 600 - Tourist Stream - Rejected

Indian, 2 Brothers, Unmarried, No Real estate property, Employed in Top Tier IT companies since 5-10 years.

Attempt-1 : Refused in 2 weeks under 600.211 mentioning "evidence of the source of fixed deposit funds" and "applicant’s financial circumstances would not be incentive for them to return to India".

Documents submitted:

  1. Fully paid Return Flight ticket including Inter-city travel
  2. Fully paid Hotel confirmation
  3. Fully paid activities booking
  4. Visa Stamps: Both travelled to 5-10 countries including Europe Trip. One of them has US Visa too. No Past Visa rejection.
  5. Cover letter and itinerary mentioning all the above points.
  6. 3-months Payslip with Net credit 1-2 Lakhs INR per month for both and Employment cum Leave Approval from Employer. (Net credit is a lot less than Annual ITR due to direct Investment from Employer in form of ESPP, NPS and EPF and is mentioned in Pay slip. Also, some of it comes from RSU and Bonuses, which is not part of Monthly payslip)
  7. Investment/Savings: Fixed deposit of 50 Lakhs INR for one person and Savings of 20 Lakhs INR for second person.
  8. Credit card statement with 10 Lakhs limit.
  9. 2 year ITR with Gross Annual Income above 50 Lakhs INR for both person.

Attempt-2 : Applied Immediate on next day. Awaiting for results.

Documents submitted:

1-4. 1-4 same as above.

  1. Modified cover letter mentioning a lot more about Parent, Job and Investment as "Incentive to Return" and addressed the previous Rejection Reason. Also, added parent passport copy.

  2. Same as above with increased 6 months duration and Added Salary Account Statement. Also, added Offer Letter and Previous Employer Work Experience Certificate.

  3. Same as above and Added all other Investments Mutual Funds, Employer Stocks, NPS, EPF, LIC. Total Net worth about 1-2 Crore INR for both person.

  4. Same as above.

  5. Same as above with 3 year duration.

Really don't understand what more can I provide, if it gets rejected again.

Edit:

The point of posting this was to get feedback on what I can do to improve the application and get accepted next time. But very few people seem to suggest that. Most people are trying to explain "Why is it refused". But that's just the problem and I already know it and is not helping much. What I am looking for is the solution i.e. "How it can get accepted?".