(i) A Rahat is a wheel-like structure installed over the shallow wells or stepwells.
(ii) Many vessels of w ater are attached over it Wlien they enter the water inside the well, the vessels get filled with water.
(iii) Oxen are used to operate the Rahat.
(iv) When the vessels come out from the well, they move from upwards to downwards directions, the wheel rotates and the water continuously falls on the parapet of the w ell.
(v) From here, the w’ater flows through the drains and reaches the farms and helps in irrigation.