How long does the Vice-President have to perform their duties as Chairman of the Council of States when acting as President or discharging the functions of the President under Article 65?
The Vice-President has to perform their duties as Chairman of the Council of States for a period when they act as President or discharge the functions of the President under Article 65. No specific time limit is mentioned in the provided context, so it is not possible to determine how long this period would be.