Australia Cost & living - Tuition & budgets

What is the expected return on investment (ROI) if I do an MBA in Australia with an investment of fifty to sixty lakhs?

Can you give me an estimate of the tuition fees and expenses for studying abroad in Australia?

What is the average tuition fee around English-speaking countries like Australia, New Zealand, Canada, and Ireland for a Master's?

Is the budget of fifteen lakhs INR the minimum required for studying abroad, or can it be less in UK/Australia in Canada/Germany?

Why is Germany a top choice for studying abroad compared to other countries in terms of tuition fees in UK/Australia?

Is it true that I can recover university fees within a month after the six-month term break in Ireland/Australia?

Are there any major differences in fee structure between public and private universities abroad in Ireland/Australia?

Are there any countries other than Europe and Australia where I can study with my profile and budget in Canada/Malaysia for a Master's?