IN PICS | Chhath Puja 2021 Begins With Nahaye Khaye, Devotees In Delhi Take Dip In Toxic Yamuna River

Devotees takes a bath as part of the rituals of four days long Chhath Puja celebrations, as toxic foam floats on the surface of polluted Yamuna river at Kalindi Kunj, in New Delhi, Monday, Nov. 8, 2021. (PTI Photo/Kamal Kishore)

Women devotees take bath as part of the rituals of four days long Chhath Puja celebrations, as toxic foam floats on the surface of polluted Yamuna river at Kalindi Kunj in New Delhi, Monday, Nov. 8, 2021. (PTI Photo/Kamal Kishore)

Chhath Puja is an auspicious festival that is celebrated over a period of four days. It is celebrated on the sixth day of Kartik month. In this photo, a Hindu devotee takes a bath amid Chhath Puja celebrations at Yamuna river at Kalindi Kunj, in New Delhi, Monday, Nov. 8, 2021. (PTI Photo/Kamal Kishore)

Devotees offer prayers as part of the rituals of four days long Chhath Puja celebrations, as toxic foam floats on the surface of polluted Yamuna river at Kalindi Kunj, in New Delhi, Monday, Nov. 8, 2021. (PTI Photo/Kamal Kishore)

The Chhath Puja festival which is celebrated on the sixth day of Kartik month commences with Nahay Khay. In this photo, women devotees pray after taking bath as part of the rituals of Chhath Puja celebrations at Yamuna river at Kalindi Kunj in New Delhi, Monday, Nov. 8, 2021. (PTI Photo/Kamal Kishore)

Chhath Puja is mainly celebrated in Bihar, Jharkhand, and parts of Uttar Pradesh. In this photo, Hindu devotees offer prayers at the banks of River Ganga during the first day of four days long Chhath Puja celebration, in Patna, Monday, Nov. 8, 2021. (PTI Photo)

A devotee carries a vessel after offering prayers at the banks of River Ganga during the first day of four days long Chhath Puja celebration, in Patna, Monday, Nov. 8, 2021. (PTI Photo)

During this festival, women observe a very difficult fast without consuming water. In this photo, Hindu devotees offer prayers at the banks of River Ganga during the first day of Chhath Puja celebration, in Patna, Monday, Nov. 8, 2021. (PTI Photo)

Women pray for a good harvest, family health, and prosperity, and for the long life of children. In this photo, devotees apply vermillion to each other while taking bath in the holy Ganga river on the occasion of the Chhath Puja festival in Patna, Monday, Nov. 8, 2021. (PTI Photo)

Devotees prepare holy food (Prasad) during the Nahaye Khaye on the occasion of the four days long Chhath Puja festival in Patna, Monday, Nov. 8, 2021. (PTI Photo)