Aqueduct, 400 years of living aqueduct
It is a simple technique of gravitation. Aurangabad city is surrounded by small hills. An underground 2½ km. tunnel was digged out from the bottom of the elvated hills with providing gradual slope in the bottom tunnel towards town. The complete Nahar is built in brick & limes and thousands of cavities are left to enter the subterrian spring water in the tunnel. There is no reservoir in the aquaduct. The subterrian water collected in the tunnel moves fast towards town till the end of the aquaduct. Later on it was supplied to the city through hundreds of earthen pipelines. Due to gravitational force of water lifted to overground in the city area which does not require any energy used in modern days like diesel, coal, electricity, petrol, electrical motor etc. The earthen pipelines terminated into cisterns through fountains specially constructed in the centre of every cisterns. There were 600 cisterns spread all over the city.