लोकसभा सदस्य अपना त्यागपत्र किसको सौंपते हैं?

As per the Indian Constitution, the Council of States shall not be subject to dissolution, but as nearly as possible __________ of the members thereof shall retire as soon as may be on the expiration of every second year in accordance with the provisions made in that behalf by Parliament by law.

The members of the Rajya Sabha are elected by which of the following?