Consider the following statements with reference to the impeachment of the President:
1. Members of both the houses of Parliament takes part in the investigation of the charges.
2. Impeachment resolution needs to be passed by 2/3rd of members presents and voting.
3. Nominated members of the Rajya Sabha can participate in the impeachment.
4. Impeachment is a quasi-judicial procedure in the Parliament.
How many statements given above are correct?