What are the provisions of clause (2) of article 91 that apply in relation to every sitting where the Chairman or the Deputy Chairman is absent?
The provisions of clause (2) of article 91 that apply in relation to every sitting where the Chairman or the Deputy Chairman is absent are not explicitly mentioned in the given context. However, we can infer from the context that when either the Chairman or the Deputy Chairman is absent, the Vice-President (in case of Chairman's absence) or another member of the Council of States (in case of Deputy Chairman's absence) may preside over the proceedings, subject to certain conditions and restrictions.