From religious institutions to sadhus, a large number of them have come up with QR codes to enable pilgrims, patrons, and tourists to make donations to them through the smart digital route.

The Maha Kumbh in Prayagraj has witnessed an unprecedented turnout of devotees, with over 10 crore people taking a holy dip in the sacred confluence of Ganga, Yamuna and the mystical Saraswati rivers.