New Delhi, Jan 30 (ANI): Delhi Chief Minister Arvind Kejriwal on Friday reiterated that DCW chief Barkha Shukla Singh should be removed from her post to ensure 'unbiased' probe against Law Minister Somnath Bharti over the allegations against him in connection with a mid-night raid in south Delhi. Talking to mediapersons, he said that Bharka Singh is from the Congress and if she remains the chairperson of DCW then she will do politics.