Other regional names include Chhath, Chhathi, Chhath Parv, Dala Puja, and Dala Chhath

Devotees take dip in Ganga river during the start of the 4-day Chhath Puja festival, in Patna

Women offer prayers while taking a dip in the Ganga river during the first day of 'Nahay Khay' ritual

BJP MP Ravi Shankar Prasad with others distributes puja materials to women in Patna

Chhath Puja is dedicated to the Sun God, Surya Dev, and is celebrated to promote the well-being, prosperity, and progress of one’s family

Devotees carry the holy water of River Ganga after performing the rituals of 'Nahay Khay'

The worship of Surya Dev spans four days and includes a ritual called ‘Arghya,’ performed while standing in knee-deep water

A devotee performs rituals on the bank of the Yamuna river as toxic foam floats on the surface of the polluted river at Kalindi Kunj in New Delhi

Despite efforts from Delhi Jal board to combat toxic foams in Yamuna, they remain to be a health hazard for devotees