NEW DELHI, INDIA - NOVEMBER 21: Ram Vilas Paswan, Union Minister for Food, Public Distribution and Consumer Affairs during a press conference on dirty water at Krishi Bhawan, on November 21, 2019 in New Delhi, India. The Union minister and Kejriwal have been involved in a war of words over water quality in the city after Paswan shared findings of a BIS study, which suggested that Delhi’s tap water had failed quality tests. (Photo by Arvind Yadav/Hindustan Times )