CHENNAI: In the backdrop of a surge in Covid-19 cases, Prime Minister Narendra Modi will hold a video conference with chief ministers at 11am on Thursday.The chief ministers of Tamil Nadu , Bihar, Rajasthan, Madhya Pradesh, Gujarat, Haryana, Andhra Pradesh , Assam, Maharashtra and Kerala have been told to submit the status update.“Home minister, health minister, chief secretary, home secretary and health secretary have been told to attend the video conference along with the chief minister,” official sources said.