Question

When a bill is referred to a joint sitting of
both the Houses of the Parliament, it
has to be passed by​

Answer 1

The joint sitting of the Parliament is called by the President (Article 108) and is presided over by the Speaker or, in his absence, by the Deputy Speaker of the Lok Sabha or in his absence, the Deputy-Chairman of the Rajya Sabha. The Chairman doesn't preside over the joint session at any means/cost.