Arvind Kejriwal has lashed out at the government over delay in his Singapore trip to attend a summit which is scheduled in the first week of August. He expressed his frustration over pending clearance from the centre for his proposed Singapore visit. <br /> <br />He said that he is being blocked for political reasons. “I am not a criminal, I am an elected chief minister,” said Kejriwal. He also wrote a letter to PM Modi saying that he has been waiting for permission for over a month now.