The ex-officio Chairman of the Rajya Sabha is
- Athe President
- Bthe Vice-President
- Cthe Prime Minister
- DNone of them
Solution & Step-by-step Explanation
According to Article 64 and Article 89(1) of the Constitution of India, the Vice-President of India is the ex-officio Chairman of the Rajya Sabha (the Council of States) and handles its legislative proceedings.