Nagpur: Responding to call of duty, Coal India Ltd. has rushed four powerful pumps to flood-affected Patna.The pumps have started draining out water from the low lying inundated residential areas of Rajendra Nagar, Saidpur and Pataliputra Colony.

Two pumps with a pumping capacity of 1000 gallons of water per minute and two with a pumping capacity of 5000 gallons of water per minute are helping to recede the water level in the flood-hit Bihar capital which is facing its worst deluge in recent times.