WATCH: Chhath Devotees Take Dip In Polluted Yamuna Amid Toxic Foam

New Delhi: Chhath Puja festivities began today, with several devotees seen taking a dip at Delhi's Kalindi Kunj Chhath Ghat, which was covered in toxic foam.

foot captures devotees offering prayers in river, which is considered holy. 

white foam results from sew water and industrial waste.

four-day festivities begin with "Nahay Khay" ritual, where devotees take a ritualistic bath and eat a simple meal. This is followed by "Kharna," during which devotees fast throughout day, breaking it only after sunset as an offering to deities.

celebrations will conclude on vember 8 and are widely observed in Uttar Pradesh, Jharkhand , Bihar , Madhya Pradesh , and West Bengal.