Dozens of Indian and Chinese soldiers could be seen in eastern Ladakh's Galwan Valley in a new video of last year's border faceoff tweeted by Chinese state media; several cases of coronavirus mutation have been observed in Maharashtra, experts have said; India has administered over 1 crore vaccine doses till now; climate activist Disha Ravi - arrested over a farmers' protest toolkit linked to Republic Day violence in Delhi - has been sent to jail for three days; set to enter the political fray by joining the BJP next week, technocrat E Sreedharan, fondly known as India's 'Metro Man', said the BJP is a party of nation lovers and not a communal party; and other top news of the day.