By either What's app call or any suitable means of effective communication. I will snap a past paper, then we will discuss it, will draw synopsis and references to share with each other. We will nail the questions spade by spade. For example I ask you questions; "Who was Mir Jumla?" or Why did Nadir Shah attack and what were the implications? I will ask you What is the difference between central and provisional administration of Suri and Akbar and so on. Then I will give you my opinion. In competitive exam, checker wants your analysis and that must be scholarly based upon solid arguments and references to secure auspicious marks. That's my way and it works.