PRAYAGRAJ, July 20 -- Rising water levels in the Ganga and Yamuna rivers inundated low-lying areas of Prayagraj, forcing dozens of families to move to flood relief camps set up by the district administration. By Sunday afternoon, more than 200 residents had taken shelter in various camps, authorities said.

According to officials, the rivers crossed the 83-metre mark at 8 am on Sunday before showing signs of a slight decline by 4 pm. Ganga at Phaphamau measured 83.06 metres in the morning and rose marginally to 83.08 metres by noon, before settling at 83.09 metres by 4 pm. Yamuna, which rose 56 cm in the past 24 hours, was recorded at 83.19 metres at 8 am and declined to 82.86 metres at Naini by 4 pm.

Prem Kishore Patel, in-charge of the...