New Delhi. Arvind Kejriwal took oath as CM of Delhi for the third consecutive time today. Kejriwal was administered the oath by Lieutenant Governor Anil Baijal at the historic Ramlila ground. Kejriwal was sworn in along with his cabinet colleagues. After the oath, CM Kejriwal promised to exert full power to fulfill his promise. After this, he also sang a song. Kejriwal went on to sing 'Hum Hone Kamalai' and called upon the people present to sing it as well.