Singh: Who has appointed? He is head of AAP, he is... ... Arvind Kejriwal's Plea Against CBI Arrest : Live Updates From Delhi High Court

Singh: Who has appointed? He is head of AAP, he is CM. Someone doing very important job for him, he says I don't know. It's not about self incrimination. It's about when you try to derail investigation. CBI investigation is way different than others.