PM Modi speaks to Vladimir Putin, congratulates him on successful passing of constitutional amendment; Defence Minister’s Ladakh visit cancelled, new date to be announced soon; COVID-19: Cases cross 6-lakh mark, India now third worst-hit country behind Russia; Landslides kill 50 after heavy rain in Myanmar, many feared buried; Tamil Nadu: Four die of asphyxiation while cleaning septic tank in Tuticorin; J&K: Earthquake of magnitude 3.6 strikes in Katra hours after Ladakh