Regarding the inter-relationship between two houses of Parliament, which of the following statement is/are correct?

1.            Prime Minister must always belongs to the Lok Sabha while Ministers can belong to either houses of the Parliament.

2.            A Minister is entitled to vote only in the House of which he is a member.

3.            Members  of  both  houses  have  equal privileges and immunities.

Select the correct answer using the code given below.