Delhi Chief Minister Arvind Kejriwal is set to boycott the upcoming Niti Aayog meeting and has written a letter to Prime Minister Narendra Modi. "People are asking, if the PM doesn't abide by the Supreme Court, then where will people go for justice? What's the point of attending Nit Aayog meeting when cooperative federalism is a joke," the Aam Aadmi Party chief wrote in the letter to PM Modi.