From restricting vehicle entries, traffic diversions to highway holding areas, new plans and strategies put in place to ease the pressure on Ayodhya, Varanasi and Chitrakoot.
To assess the pollution levels in the Yamuna, India Today's Data Intelligence Unit analysed data from the Delhi Pollution Control Committee and the Delhi Jal Board.
Environmentalists Bhim Singh Rana and Pankaj Kumar took a boat ride with CNN-News18 over the Yamuna near Delhi's Kashmere Gate, analysing exactly what is wrong with the river in the national capital.
People were trampled as pilgrims at the Maha Kumbh Mela, one of the world’s biggest gatherings, gathered where the Ganges and Yamuna Rivers meet, officials said.