To protect the interest of states in the financial matters, the Constitution lays down that certain bills can be introduced in the Parliament only on the recommendation of the President. In this context, which of the following are those bills?
1. A bill which imposes or varies any tax or duty in which states are interested.
2. A bill which affects the principles on which money is distributed to states.
3. A bill which imposes any surcharge on any specified tax for the purpose of the Centre.
4. A bill which reduces the salaries and allowances of the members of Rajya Sabha.
Select the correct answer using the codes given below: