Devotees from across the country had started pouring in since Sunday evening. The "Shahi Snan", began at around 6 am. The Mela, held every 12 years, will go on for the next two months and will conclude on Maha Shivaratri on March 10.
A devotee has river water poured over his head at the waters edge at the Sangham or confluence of the Yamuna and Ganges river.
Image courtesy: AFP