India, July 14 -- Irrigation and flood control minister Parvesh Verma on Sunday inspected the Yamuna river in northwest Delhi's Palla - the entry point from where the river flows into Delhi from Haryana - and reviewed the monsoon preparedness by departments responsible for flood control.

The minister said the water at Palla is relatively clear, but it becomes visibly darker and more polluted as the river progresses into Delhi. "We will ensure strict monitoring and inter-agency coordination to ensure that the river's condition within Delhi matches its upstream quality," he added.

The most polluted stretch of the river in Delhi starts downstream of Wazirabad when the Najafgarh drain meets Yamuna. Between Wazirabad and Okhla, 22 large drai...