Option 1: Vote on Account-Finance Bill-Appropriation Bill-Discussion on Budget

This option is incorrect. The correct sequence of passing a budget in the parliament should involve the discussion on the budget before the voting process takes place.

Option 2: Finance Bill-Appropriation Bill-Discussion on Budget-Vote on Accounts

This option is also incorrect. Similar to option 1, the correct sequence requires the discussion on the budget to occur before the voting process.

Option 3: Discussion on Budget Vote on Account- Finance Bill-Appropriation Bill

This option is incorrect. The proper sequence should involve the discussion on the budget before voting on the accounts.

Option 4: Discussion on Budget-Appropriation Bill-Finance Bill-Vote on Account

This option is correct. The correct sequence of passing a budget in the parliament involves the initial discussion on the budget. This is followed by the voting on the appropriation bill, then the finance bill, and finally, the vote on account.

Overall, option 4 provides the correct sequence for passing a budget in the parliament.