They were there, in the ancient city of Haridwar in the state of Uttarakhand, to take a ritual dip in the holy river. The bodies, squashed together in a pack of devotion and religious fervour, paid no visible heed to Covid protocols. This was one of the holiest days of the Kumbh Mela, a festival that has become a highlight of the Hindu religious calendar and is known for drawing millions of...