PM Modi addresses first rally in Bihar's Sasaram, says oppn wants to push Bihar backward again; PM Modi rakes up Article 370 in Bihar poll campaign, a point Nitish's JDU had also differed on at first; Tejashwi Yadav takes dig at Nitish Kumar administration in parallel joint rally with Rahul Gandhi; India sees slight improvement in Covid-19 cases; US President calls China, India, Russia air 'filthy' in final Presidential debate. Top news at 2 PM.