Kolkata one of the most densely populated cities in India hasn't escaped the surge in Covid-19 cases.
By Nikhil Inamdar and Aparna Alluri
Kolkata, one of the most densely-populated cities in India, hasn't escaped the Covid-19 surge.
By Sima Kotecha
What happens when vaccines are slow to arrive - and what it means for ending lockdowns.
By Anbarasan Ethirajan
The BBC's Vikas Pandey drives around Delhi to see the damage Covid has caused to India's capital.
By Secunder Kermani
BBC News, Lahore
The Indian Prime Minister Narendra Modi is hugely popular but his critics says he has he taken his eye off the ball and allowed a coronavirus disaster to overwhelm the country.
By Geeta Pandey
BBC News, Delhi
By Alice Evans