Tirupati Balaji temple new COVID-19 hotspot: 140 priests and employees infected; Lockdown in four districts of Odisha till July 31, Bengaluru set to extend lockdown for another week; Worst case scenario: India to have 6 crore COVID-19 cases by March 2021, finds IISc study; Rahul Gandhi says ‘PM’s constant blunders have fundamentally weakened India’; and more