You will have to prepare all the topics in pakaffairs reason being the sequence of the events in history ...imean if u do not prepare nehru report u will not b able to understand 14 points of Jinnah... so iwill recommed u to make a list in chronological order of all the topics start reading them and make bullet bullet points , thsese will help u in revising too as u will not have to read the whole topic again , but, jus the bullet points.