Answer : 4. "लोक सभा और राज्य सभा द्वारा पारित प्रस्ताव द्वारा अनुमोदित राष्ट्रपति द्वारा उसे उसके पद से हटाया जा सकता है।"
Explanation :

According to Article 66 of the constitution, no person shall be eligible for election as Vice-President unless he is a citizen of India, has completed the age of thirty-five years and is qualified for election as a member of the Council of States.