Student visa - Financial requirements Questions

Is the twenty to twenty five lakh budget sponsored by family or will I need an education loan?

Is the minimum block account amount around four to five lakhs acceptable, or is a higher amount required in Ireland/Germany?

Does the loan interest start from the day I start my course or from when I get the money in Ireland/Germany?

How much savings do I need to show for a student visa for countries like Germany, Ireland, Canada, Australia, New Zealand, and the UK?

What are the living expenses in Germany, especially in top cities like the capital, and how much should be blocked in the blocked account?

How many months of bank statements are required for visa application and what if there are large transactions in New Zealand?

Can business income be used as proof of funds for visa or loan purposes in UK/Ireland?

For a two-year program, do we need to show the full two years' tuition fees before visa or only one year?