The mishap took place last night when Shanti Mangal Mishra (90) and Basanti Devi Lohsingh (50) were sitting and chatting on a roadside bench after their evening walk, they said.
The speeding dumper hit the two women, who died on the spot. The vehicle was returning after emptying construction material at a nearby building site when the accident took place.
The driver of the dumper Raju Ashok Pawar, 26 , was nabbed by locals and handed over to the Kapurbawdi police.