What is Kejriwal's Game Plan?

In a bold move, AAP chief Arvind Kejriwal said he would resign as Delhi CM in the next two days. He had been in jail in connection with a liquor policy case. He was recently granted bail by the Supreme Court. Why has Kejriwal resigned? What led him to make this shocking announcement? What is Kejriwal’s game plan? Why is his decision not as surprising as it looks? What happens next? News9 Plus Decodes it all.