Explanation:

- The Budget speech in Lok Sabha is an important annual event where the financial plan of the government is presented.

- Option 1: President

- The President does not present the Budget speech.

- The President addresses the Parliament at the beginning of the first session every year but does not deliver the Budget speech.

- Option 2: Prime Minister

- The Prime Minister oversees the government's functioning, but does not deliver the Budget speech.

- Option 3: Finance Minister

- The Finance Minister presents the Union Budget in Lok Sabha.

- This role involves outlining government's revenue and expenditure plans for the upcoming fiscal year.

- Option 4: Home Minister

- The Home Minister handles internal security but does not deliver the Budget speech.