What is the procedure for calling a joint sitting of both Houses under this Article?
The procedure for calling a joint sitting of both Houses under this Article is not explicitly mentioned in the given context. However, it can be implied that if there is disagreement between the two Houses on a Bill and the said Bill has not been passed by either House within a period of six months from the date of its receipt in either House, then the President may call for a joint sitting of both Houses to resolve the issue.