India COVID-19 cases cross 1.45 lakh, 6,535 new cases in 24 hours; Delhi-Ghaziabad border sealed again, massive traffic jam near Ghazipur; Major fire breaks out at Delhi’s Tughlakabad slum, thousands rendered homeless; India-China stand-off in Ladakh over Galwan Valley, Chinese troops allegedly deployed; Indian Army Chief’s remark ‘an insult to our history’, says Nepal; WHO halts hydroxychloroquine clinical trials as COVID-19 treatment; and more