The Supreme Court on Monday, April 17th asked the Delhi Police to respond to the plea of CPI(M) leader Brinda Karat challenging the Delhi High Court's order dismissing a petition against the trial court's refusal to order registration of an First Information Report(FIR) against Union Minister Anurag Thakur and his BJP colleague MP Parvesh Verma for their alleged hate speeches during anti-CAA protests, and Delhi riots.