Here are the top stories we are covering this evening: PM assures states smooth supply of oxygen; 5kg free ration to 80 Cr beneficiaries under Centre’s big move; Zydus gets DCGI’s EUA for Covid drug; Kejriwal draws flak for telecasting his address during PM meet; Salman Khan’s ‘Radhe’ trailer has everyone questioning science; and Mumbai Police sends cake to ‘responsible’ Twitter user.