As per the Union Budget 2022-23, the launch of a blockchain-based Digital Rupee by the Reserve Bank of India was proposed to start from which financial year?

In the context of the Union Budget, consider the following key sectors: I. Transport II. Defence III. Education IV. Health What is the correct descending order of the above sectors in terms of expenditure allocation by the Government of India in recent annual Union Budgets?

Who holds the record for presenting the highest number of consecutive Union Budgets in India?