Ca final elective paper

ankush chelani (21 Points)

11 April 2020  
My attempt is in November 20
i am confused regarding which subject to choose for electives
i have two on. my mind international taxation and multidisciplinary case studies
but the problem is i do not know much about multidisciplinary case studies like how to study or what material to refer to
Can anybody please explain how to study both the subjects so than i can choose one of the two.

please help